CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "www.harpercollins.com",cType: 'managed',cRay: '92e52d370922408e',cH: 'kF2Yn0ljefBtPM43ko2syocwwrzZh_hOzN8VW7GnKMQ-1744318856-1.2.1.1-UIovn9SHp5O6QvTOdVr.VEmUOpgHXeZgCUpMh5p2fbI5Zb5KG_hbEGB7IkNm9uQX',cUPMDTk: "\/products\/what-if-tenth-anniversary-edition-randall-munroe?variant=41611311415330&__cf_chl_tk=yvSDxVvdIAhkIQ16RtWulGx..IG6wPFsOhd2GxU3SNU-1744318856-1.0.1.1-jWCaY4WwyPk81wS4C0RKTNsW4WACmBTwH28QBVAV2Vw",cFPWv: 'b',cITimeS: '1744318856',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "unsupported_browser_beacon",fa: "\/products\/what-if-tenth-anniversary-edition-randall-munroe?variant=41611311415330&__cf_chl_f_tk=yvSDxVvdIAhkIQ16RtWulGx..IG6wPFsOhd2GxU3SNU-1744318856-1.0.1.1-jWCaY4WwyPk81wS4C0RKTNsW4WACmBTwH28QBVAV2Vw",md: "EVLq7Mayk3eQzLCAxBr_BGLX2Z8tVu.kl0bL012x2v0-1744318856-1.2.1.1-o25mgMq0R4xACSd2XLyAMvgNPpkYuL_d8WtbOI1JoSmTzIs_Wn90S7VsekaAWzYIlJhuKWuenmvJDhPjl43_gsMa09Z2gHLMDFDNsUEIlvXvijc6ftBIHBraq.qZ0rrbjMMx0WfDAYb8aD.UHupMopUJU1yT4PX7UfB86ljVphf8HcDB2jwfZ.eJ8ZCe0S582CHJ8SohPpORcDd0eFZ933.SQVPiyaMdk0NSXwxW3F3TMDAiQltMXvC9e214ss7oEyGy8guCYu7Vx2krLij0t6va2pZMrnDarS5HfDojXL75cr6DCPy62XB4gezxFF54ND0tW8V.R0SKpbqmCFJBP5oZsra4JtXgVR3nXT6wCjxB85wt_yJION3G88hhYalWUGyIMae0dywpZdqJqV_AOEmo7eOD79ETI89cuR4AInCZb_n.T.G5ofH15C.apGdC.l3lVmnwGf02YFa5wUhfw9GQBV6R_WJaov0k_GrlWJ2U0DV2pkwHJ0sZxkEctlSYKPEe4HYxX2uJS62Y8IdGawMwSatEe5EIxIqaUVm5zp65m2va_XA4TSdQOny2u4iwI8uITK4LrjaI08iJty7Lo3jxuCGdT1eGjTSNwBiYtl0MVQ2oFqKU0z58jZTD.lW6vj0ggUUxH7lxQGI8nEvqhDl.Zqh7F.aL8sxQljQThwCLOMkg.c5FSjCG6tMHu5zziF.yKi_C0khwDLt17WKDVgaHEFvG7x60ib.UJLVWKTf5IPVeXOGLeWP6x2wFVYV0IVE9MSuj2ALslE2ZSFiNB9f0CUtZ07guejOcpyHKegDEDt9S.jpHxLsupi_hNH9a7zjnHmRjQpqw4REhIcnJg97f8lOaKz6dtQclvP6RyjVWuekmR_COMSh6nDEJvt4LL0fJhwV4IfPuqdZakMs5LJjX5TGsoVIsRKZ2bBMepIycxEXCbvzmLqHKiDgUL4ulivTMSBrSHP12Cxr4x.0q6QFRCojbd5rYZfA.88AmsDYQBkpZm6mWuWL3AEMvDhTZ9GHdCh74ZadN8l8PtJz.amzTDO6DFqcaicTzqzk4NTUBMfb6owgfmJ82rfMA4hjdwieeWHqBbrRufpIwMVxHa_3qKKAI0PB35GLRXARo4FLVJHgC24JZecAx9hT1oyzAQCU920ksJHmHdCm_rA.Qq6qRgmg.7BuwaIrKoXLdzTvFtwXg4PwkxyM1SBnoTbDRANnUWFwK5EhqdvmpFDUF9O_UV2txXFlEtnrQ4suG9BuLeZabe9wkT9BCXMK_44tu6sJRT2I0CH.GQLDI0lVTZcWsRrQ5g0GJOOFY2rxxC6UMVdQHvsqUoTWXuQ7I2Q6uTKSVhjdSWng.LgtYKpjcZGdwGHD7Ol.zH_1kRQXXQevYeYlg9TpB.QvuovIl_27g",mdrd: "WmOdwn0sX_zWAFpz.GmZNzHt9ACA45Kpv7FwzNamdbQ-1744318856-1.2.1.1-E0pqk4GgyeSu_dbzbiq94v73sSwhlqpkh3oh_Eq7.zXeQjYaMNh.BTxrIoufr.HL3anJgZPtQqLWGadGgmQHZzB3_aMzg48ou68GqU1SLyubZy_T3OoIqORubnuKdvkaCPvDNsatx1P60ruevB76j8GH1NrEXW9kafvvwMeL0wLihXvjU_RG2KCw9.t8DPo4aP5znNQWYhQ2juH8Sl6UkaeSvdFByhf16WPrJrLYW3JtPX..d9hLL5GmM7.lEqcqbToDGvqvHI2iYCUHW4dSBFz5aKcGn42wvGbULPPUzqoZjAXYcNMLpWBWnlZACFEj8MPgd0NC0XgpGsnXBZjQrG4ZusYaeH63U_x6QpUU8__4SsfzCajhaoqawEHTsVzF5k34d2D3XLmRSoA_HbVWXf9CkvRyHHIefDw3jAozTnH0WBhqsMo4uFsuUXrnBftQIqs5yzOiv27zi3nDlUojC8bsZdRhz.4qYNvEsVsot_mdnGPztXnynMSPTWgtbYZQWQfrAtMHpbgHZRZ9QzNORI3m3OymPz06p9ZXfwlF3RCuUEkqj7xLGhIxs7_2NBNInGVywUo60tjgfdpM00gIu02g2pZyCj4ELnsxqFZT_VZj156YGnH0qY5LIAf8ONOxjyOii9xpV_g4oan1oRms8Jejf7vRTXodHhanB7dlRiwEx6DlWKEMzCJANpJqzXk1E8Bnd25Y4G3W7V44QdijO9EXovriOpQ7tAv7rHNH_MUfqWdJUVSp9GVPW4PvOLOaFERY55Cz544HV4P5c.4ky6023ooDqo1iOCOwaXJeritasEGcl5U5RoBQA7V1BGJrPS.mNkyTwPF3Aj_bK52FXoLZoH9pwSn56gJItJrfvdyQAWCUMG0V8XRXYeAegnHJUc_9.T6s9V99vzsUTGUOgZh87H8WoS5U1rHnbvIK3I.oWxIXRxBqeHjn032Zli6j8KSSst2O5uxcLgzOM0WijwZtX6KUVk8hCh7W9GNIPHAU1DkzKY1NslwKvQ6GqPbZlVDFDfx9QukzO9tJAV1jHquXoBPQURG2VrgeVeEA2HjDqN.vD4Se8H_HuBlHkdo6wcvPLLcuwfjLntSCPxmu_NvaZMADUTlkL0sJW9KbrZo7duG6Vn7MK2tY83jNFrRh1FMiAg63ZlzQbS5ou53j0krqQk2UDvizYWaEWMimZ0y68f0JfanVADcdHwhzQT_QPEMxi9GE79Ruyc._Ju5zAFayB9GIUTnFN9XgJ8Pf9veOhIYjIEKXFg1VI8nxcPL0eb0k52Y59NxjsO09EqnvkKpdWE_U3ic4kA5cdpCQQ.eqgMCr_qiWQv0EJ1fivFAg5uByGlKT1HwCmxOaonRF2CR3tc0Ck7.REd2EssfQejcpc3iumDvY7J9qvBUxyn.pYkImLtCUnFvDuvG2SL_Ku2gJoIk7VDsVGSfdEynaSaL_rMx4w3Vne8WNy0zDO3WzJlz0MwTR.bPS5EaEqQvQwsjKmuohMlvC.hPU_v8vqoZLcyXFtWzuID2hX1GCzd8LEwQVUitmiEfTXdtqaUvNr5.btFiAqVUcp7SuH4IJYg8V3eCaIy4b3SCIHEb6Wgw3PgXSIm4EaQa8M2qHTYzxyTksWWGQwecYO.czb5EXINMYwsY.lOp1PSX69cTEI67OLWE91eTyxPu1xAsBfLJ30xU0x09GJ7uKVwy4dKm54olH.mVgwyuV7IzMXjm5fIl3jLVm4a4VR0V.dpW2Ygdo.VuLk9rd1V9fj5mOoj3cCtCl8BCAMZlPZaiaR7SL2UTsE8Zo71wjWw57PjXE72P45MqepEmGbsTBfLh259AdZdh9c5Cm1iO6i2boqYNYuo7qEJ_VK_WmMzm8rli011MaYzgjUgyEdM3mN8hZdBoLvseac6.X7LruUxvut8AV41DZzI0zgFWuBc_LsCETMHn13v_6XId5TXSFY5E8XYhfgnnY9DkVXqViUezxeU0dH46Le3eFm9YUWHuLqc.BeLIb6OCUYwRLemNbm.WCTTYGzMmVGcZf5tY9f5irCPrHoNGbuZM.Yb0x7fqnf6.Mcu0mn0o0Lq7gzun13.meEJCYufI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=92e52d370922408e';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/products\/what-if-tenth-anniversary-edition-randall-munroe?variant=41611311415330&__cf_chl_rt_tk=yvSDxVvdIAhkIQ16RtWulGx..IG6wPFsOhd2GxU3SNU-1744318856-1.0.1.1-jWCaY4WwyPk81wS4C0RKTNsW4WACmBTwH28QBVAV2Vw" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>