"A textbook author in Toronto made enough money from his calculus textbook to af... | Hacker News

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		tokenadult on June 14, 2009 \| parent \| context \| favorite \| on: Textbooks must die "A textbook author in Toronto made enough money from his calculus textbook to afford a $20 million house." I know that calculus textbook. http://www.amazon.com/Calculus-Early-Transcendentals-James-S... It's workmanlike, but certainly not inspiring like Spivak's textbook. http://www.amazon.com/Calculus-Michael-Spivak/dp/0914098918/

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