FREE TEXTBOOKS

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You can download the book right here . You can download the book in four parts from the left column below. You can download the lecture visuals in ten parts from the right column below.

a Practical Theory of Programming

http://www.cs.toronto.edu/~hehner/aPToP/
http://www.usnews.com/education/best-colleges/paying-for-college/articles/2009/09/02/4-ways-to-get-college-textbooks-free

4 Ways to Get College Textbooks Free

As students return to college campuses, one of the biggest price shocks they face will be at the bookstore. Dozens of science, engineering, and business textbooks now list for more than $300 apiece. Students, professors, college officials, and entrepreneurs are fighting back against these rising textbook prices and are developing new ways to distribute textbooks free of charge without requiring students to violate copyright laws or download big files illegally from BitTorrent sites.