Hatcher is the author of famous freely available and beautifully typeset topology books http://pi.math.cornell.edu/~hatcher/#anchor1772800 http://pi.math.cornel

Hatcher is the author of famous freely available and beautifully typeset topology books http://pi.math.cornell.edu/~hatcher/#anchor1772800 http://pi.math.cornell.edu/~hatcher/#anchor1772800 (most notably "Algebraic topology"). "By special arrangement with the publisher, an online version will continue to be available for free download here, subject to the terms in the copyright notice." Some details about how he typesets his books here: http://pi.math.cornell.edu/~hatcher/AT/typography.html http://pi.math.cornell.edu/~hatcher/AT/typography.html