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><loc>https://techratchet.com/2021/03/29/book-summary-rulers-religion-and-riches-by-jared-rubin/</loc><lastmod>2021-12-02T18:22:17+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/07/02/book-summary-great-leveler-violence-and-the-history-of-inequality-by-walter-scheidel/</loc><lastmod>2024-10-16T19:08:21+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/03/22/book-summary-a-culture-of-growth-by-joel-mokyr/</loc><lastmod>2021-12-02T18:20:27+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/10/04/book-summary-a-history-of-warfare-by-john-keegan%ef%bf%bc/</loc><lastmod>2021-12-02T18:18:25+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/03/19/book-summary-convergence-the-idea-at-the-heart-of-science-by-peter-watson/</loc><lastmod>2021-12-02T18:17:35+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/06/21/book-summary-islam-authoritarianism-and-underdevelopment-by-ahmet-kuru/</loc><lastmod>2021-12-02T18:16:39+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/03/29/book-summary-the-birth-of-plenty-how-the-prosperity-of-the-modern-world-was-created-by-william-j-bernstein/</loc><lastmod>2021-12-02T18:15:49+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/04/24/book-summary-the-long-summer-how-climate-changed-civilization-by-brian-fagan/</loc><lastmod>2021-12-02T18:14:49+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/01/06/book-review-foragers-farmers-and-fossil-fuels-by-ian-morris/</loc><lastmod>2021-12-02T18:13:38+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/05/06/book-summary-energy-transitions-by-vaclav-smil/</loc><lastmod>2021-12-02T18:10:53+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/04/19/book-summary-energy-and-civilization-a-history-by-vaclav-smil/</loc><lastmod>2021-12-02T18:09:46+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/04/14/book-summary-understanding-human-history-by-michael-hart/</loc><lastmod>2021-12-02T18:08:54+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/01/25/book-reviewthe-dictators-handbook-by-mesquita-smith/</loc><lastmod>2021-12-02T18:07:47+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/04/21/book-summary-the-making-of-europe-950-1350-by-robert-bartlett/</loc><lastmod>2021-12-02T18:06:19+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/04/01/book-summary-the-tyranny-of-experts-economists-dictators-and-the-forgotten-rights-of-the-poor-by-william-easterly/</loc><lastmod>2021-12-02T18:02:42+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/07/01/book-summary-blank-slate-the-modern-denial-of-human-nature-by-steven-pinker/</loc><lastmod>2021-12-02T18:00:43+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/06/18/book-summary-the-big-ratchet-how-humanity-thrives-in-the-face-of-natural-crisis-by-ruth-defries/</loc><lastmod>2021-12-02T17:59:17+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/01/13/book-review-unbound-by-richard-l-currier/</loc><lastmod>2021-12-02T17:58:20+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/04/22/book-summary-hard-drive-bill-gates-and-the-making-of-the-microsoft-empire-by-wallace-and-erickson/</loc><lastmod>2021-12-02T17:55:52+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/07/21/book-summary-the-gifts-of-athena-historical-origins-of-the-knowledge-economy-by-joel-mokyr/</loc><lastmod>2021-12-02T17:53:49+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/05/07/book-summary-human-accomplishment-by-charles-murray/</loc><lastmod>2021-12-02T17:52:11+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/02/25/book-summary-escape-from-rome-the-failure-of-empire-and-the-road-to-prosperity-by-walter-scheidel/</loc><lastmod>2021-12-02T17:51:02+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/04/25/book-summary-the-rise-and-fall-of-the-great-powers-by-paul-kennedy/</loc><lastmod>2021-12-02T17:49:46+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/06/17/book-summary-a-troublesome-inheritance-genes-race-and-human-history-by-nicholas-wade/</loc><lastmod>2021-12-02T17:46:54+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/02/06/book-review-cultural-evolution-peoples-motivations-are-changing-by-ronald-inglehart/</loc><lastmod>2021-12-02T17:45:32+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/05/18/book-summary-bourgeois-dignity-why-economics-cant-explain-the-modern-world-by-deirdre-mccloskey/</loc><lastmod>2021-12-02T17:44:39+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/03/25/book-summary-the-camel-and-the-wheel-by-richard-bulliet/</loc><lastmod>2021-12-02T17:43:15+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/05/14/book-summary-the-story-of-the-human-body-by-daniel-e-lieberman/</loc><lastmod>2021-12-02T17:41:33+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/06/30/book-summary-the-great-divergence-china-europe-and-the-making-of-the-modern-world-by-kenneth-pomeranz/</loc><lastmod>2021-12-02T17:40:37+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/07/08/book-summary-why-europe-grew-rich-and-asia-did-not-by-prasannan-parthasarathi/</loc><lastmod>2021-12-02T17:39:15+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/05/03/book-summary-technology-a-world-history-by-daniel-headrick/</loc><lastmod>2021-12-02T17:38:04+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/04/22/book-summary-why-europe-by-jack-goldstone/</loc><lastmod>2023-10-25T12:59:09+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/04/09/book-summary-amsterdam-by-russell-shorto/</loc><lastmod>2021-12-02T17:36:00+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/01/15/book-summary-scale-by-geoffrey-west/</loc><lastmod>2021-12-02T17:31:42+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/02/03/book-review-human-societies-an-introduction-to-macrosociology-by-nolan-lenski/</loc><lastmod>2021-12-02T17:30:30+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/05/18/book-summary-lineages-of-the-absolutist-state-by-perry-anderson/</loc><lastmod>2021-12-02T17:25:21+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/02/07/book-summary-war-what-is-it-good-for-by-ian-morris/</loc><lastmod>2021-12-02T17:24:15+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/04/22/book-summary-replenishing-the-earth-by-james-belich/</loc><lastmod>2021-12-02T17:23:03+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/01/26/summary-the-age-of-wood-by-roland-ennos/</loc><lastmod>2021-12-02T17:21:08+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/03/06/book-summary-natures-metropolis-chicago-and-the-great-west-by-william-cronon/</loc><lastmod>2021-12-02T17:19:42+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/05/05/book-summary-empire-how-britain-made-the-modern-world-by-niall-ferguson/</loc><lastmod>2021-12-02T17:18:42+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/05/06/book-summary-trust-the-social-virtues-and-the-creation-of-prosperity-by-francis-fukuyama/</loc><lastmod>2021-12-02T17:17:29+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/01/21/book-review-the-origins-of-wealth-by-eric-d-beinhocker/</loc><lastmod>2021-12-02T17:15:56+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/05/20/book-summary-emergence-the-connected-ants-brains-cities-and-software-by-steven-johnson/</loc><lastmod>2021-12-02T17:12:44+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/05/11/book-summary-alchemy-of-air-by-thomas-hager/</loc><lastmod>2021-12-02T17:11:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/04/30/book-summary-science-and-technology-in-world-history-an-introduction-by-mcclellan-dorn/</loc><lastmod>2021-12-02T17:10:46+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/01/26/book-summary-the-box-by-marc-levinson/</loc><lastmod>2023-03-04T16:48:31+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/10/18/book-summary-the-sinews-of-power-war-money-and-the-english-state-1688-1783-by-john-brewer/</loc><lastmod>2021-11-24T18:38:41+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/04/16/book-summary-the-tragedy-of-great-power-politics-by-john-mearsheimer/</loc><lastmod>2021-11-24T18:36:33+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/08/02/book-summary-kicking-away-the-ladder-by-ha-joon-chang/</loc>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enor-and-singer/</loc><lastmod>2021-11-21T19:05:11+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/05/02/book-summary-transforming-the-twentieth-century-by-vaclav-smil/</loc><lastmod>2021-11-21T19:04:29+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/01/01/book-review-creating-the-twentieth-century-by-vaclav-smil/</loc><lastmod>2021-11-21T19:03:53+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/10/27/book-summaryleonardo-to-the-internet-by-thomas-misa/</loc><lastmod>2021-11-21T19:02:58+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/04/29/book-summary-how-the-scots-invented-the-modern-world-by-arthur-herman/</loc><lastmod>2021-11-21T19:01:29+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/01/09/book-review-why-nations-fail-by-acemoglu-robinson/</loc><lastmod>2021-11-21T18:58:38+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/03/26/book-summary-revolutions-that-made-the-earth-by-tim-lenton-andrew-watson/</loc><lastmod>2021-11-21T18:57:14+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/10/14/book-summary-the-persistence-of-the-old-regime-by-arno-mayer/</loc><lastmod>2021-11-21T18:56:03+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/04/25/book-summary-world-on-fire-by-amy-chua/</loc><lastmod>2021-11-21T18:53:27+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/08/02/book-summary-the-innovators-delimma-by-clayton-christensen/</loc><lastmod>2021-11-21T18:51:38+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/05/05/book-summary-prime-movers-of-globalization-by-vaclav-smil/</loc><lastmod>2021-11-21T18:50:50+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/03/11/course-summary-principles-of-human-ecology-by-peter-richerson-et-al/</loc><lastmod>2021-11-21T18:49:00+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/05/12/book-summary-people-plants-and-genes-the-story-of-crops-and-humanity-by-denis-murphy/</loc><lastmod>2021-11-21T18:48:09+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/04/13/book-summary-cultural-evolution-how-darwinian-theory-can-explain-human-culture-by-alex-mesoudi/</loc><lastmod>2021-11-21T18:47:19+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/06/17/book-summary-going-the-distance-eurasian-trade-and-the-rise-of-the-business-corporation-1400-1700-by-ron-harris/</loc><lastmod>2021-11-21T18:46:41+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/07/16/book-summary-tropical-forest-biomes-by-barbara-holzman/</loc><lastmod>2021-11-21T18:45:56+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/07/20/book-summary-botswana-a-modern-economic-history-by-hillborn-and-bolt/</loc><lastmod>2021-11-21T18:45:06+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/03/03/book-summary-life-ascending-the-ten-great-inventions-of-evolution-by-nick-lane/</loc><lastmod>2021-11-21T18:44:17+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/04/12/book-summary-first-modern-economy-dutch-economy-1500-1815-by-jan-de-vries/</loc><lastmod>2021-11-21T18:43:29+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/07/26/book-summary-institutions-and-the-path-to-the-modern-economy-by-avner-greif/</loc><lastmod>2021-11-21T18:42:38+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/04/26/book-summary-big-is-beautiful-debunking-the-myth-of-small-business-by-atkinson-and-lind/</loc><lastmod>2021-11-21T18:41:41+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/03/25/book-summary-plagues-and-peoples-by-william-mcneill/</loc><lastmod>2021-11-21T18:40:28+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/08/03/book-summary-the-wealth-and-poverty-of-nations-by-david-landes/</loc><lastmod>2021-11-21T18:39:48+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/02/18/book-review-tentacles-of-progress-technology-transfer-in-the-age-of-imperialism-1850-1940-by-daniel-r-headrick/</loc><lastmod>2021-11-21T18:38:19+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/10/01/book-summary-the-innovators-dna-by-clayton-christensen-et-al/</loc><lastmod>2021-11-21T18:37:23+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/05/07/book-summary-power-to-the-people-energy-in-europe-over-the-last-five-centuries-by-kander-et-al/</loc><lastmod>2021-11-21T18:36:40+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/04/08/book-summary-the-evolution-of-everything-how-new-ideas-emerge-by-matt-ridley/</loc><lastmod>2021-11-21T18:27:19+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/07/21/book-summary-the-fifth-beginning-what-six-million-years-of-human-history-can-tell-us-by-robert-kelly/</loc><lastmod>2021-11-20T22:10:55+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/03/23/book-summary-uncontrolled-by-jim-stanzi/</loc><lastmod>2021-11-20T22:09:25+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/02/12/book-summary-why-the-west-rules-for-now-the-patterns-of-history-by-ian-morris/</loc><lastmod>2021-11-20T22:07:11+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/05/20/article-summary-the-product-space-conditions-the-development-of-nations-by-many/</loc><lastmod>2021-11-20T21:24:34+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2019/12/27/innovation-is-like-solving-a-jigsaw-puzzle/</loc><lastmod>2021-11-20T21:02:06+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/01/01/my-book-review-system/</loc><lastmod>2021-11-19T17:38:01+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/read-my-new-book-from-poverty-to-progress/</loc><lastmod>2021-11-16T00:09:15+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://techratchet.com/2021/11/08/most-popular-book-summaries-of-october-2021/</loc><lastmod>2021-11-08T16:30:29+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/resources-3/</loc><lastmod>2021-11-07T15:50:54+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://techratchet.com/2021/10/28/book-summary-economic-systems-of-foraging-agricultural-and-industrial-societies-by-frederic-pryor/</loc><lastmod>2021-10-28T16:37:52+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/01/09/read-my-new-book-from-poverty-to-progress/</loc><lastmod>2021-10-15T21:06:59+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/09/16/book-summary-arc-of-war-by-levy-and-thompson/</loc><lastmod>2021-09-16T17:13:01+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/08/06/book-summary-creative-capital-by-spencer-e-ante/</loc><lastmod>2021-08-06T20:33:06+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/08/04/book-summary-peak-secrets-from-the-new-science-of-expertise-by-anders-ericsson/</loc><lastmod>2021-08-04T19:34:13+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/07/29/book-summary-talent-is-overrated-by-geoff-colvin/</loc><lastmod>2021-07-30T19:36:04+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/07/30/book-summary-the-talent-code-by-daniel-coyle/</loc><lastmod>2021-07-30T19:35:08+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/04/11/article-summary-the-distribution-of-human-population-by-altitude-by-cohen-small/</loc><lastmod>2021-07-21T18:16:46+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/07/14/article-summary-evidence-for-evolution-in-response-to-natural-selection-in-a-contemporary-human-population-by-many/</loc><lastmod>2021-07-14T20:15:23+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/07/14/article-summary-measuring-selection-in-contemporary-human-populations-by-many/</loc><lastmod>2021-07-14T19:53:37+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/07/14/article-summary-is-it-good-to-cooperate-by-curry-mullins-and-whitehouse/</loc><lastmod>2021-07-14T19:28:30+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/07/14/article-summary-experienced-well-being-rises-with-income-by-matthew-killingsworth/</loc><lastmod>2021-07-14T19:01:15+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/07/14/article-summary-economic-man-in-cross-cultural-perspective-by-many/</loc><lastmod>2021-07-14T18:34:56+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2021/07/07/book-summary-who-we-are-and-how-we-got-here-by-david-reich/</loc><lastmod>2021-07-07T20:16:46+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://techratchet.com/2020/05/10/top-ten-books-to-read/</loc><lastmod>2021-07-0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