The Joy of Pi Bookstore You can buy one or more copies of The Joy of Pi directly from this site, via Amazon.com. Click here to buy The Joy of Pi (Hardcover edition) Click here to buy The Joy of Pi (Paperback edition) Other books the author recommends: Fermat's Enigma, by Simon Singh The Code Book, by Simon Singh E : The Story of a Number, by Eli Maor Pi: A Source Book, by Lennart Berggren, Jonathan M. Borwein, Peter B. Borwein The History of Pi, by Petr Beckmann The Amazon.com Guarantee