- Milo Powell, PI by T. W. Person, 2009-03-03
- William Chandler Bagley, stalwart educator: A Kappa Delta Pi publication by Isaac Leon Kandel, 1961
- Handbook Of Pi And Pid Controller Tuning Rules by Aidan O'Dwyer, 2009-06-15
- TAng-Yin-Pi-Shih = Parallel Cases from Under the Pear-Tree: A 13th Century Manual of Jurisprudence and Detection (Sinica Leidensia, V. 10) by Wanrong Gui, Robert Hans Van Gulik, et all 1980-06
- Le Cordon Bleu Dessert Techniques: More Than 1,000 Photographs Illustrating 300 Preparation And Cooking Techniques For Making Tarts, Pi by Le Cordon Bleu, 1999-05-05
- The Number Pi by Pierre Eymard, Jean-Pierre Lafon, 2004-02-06
- Don't Mess with Mrs In-Between (PI Grace Smith Investigations) by Liz Evans, 2002-03
- The Federal Republic in Spain;: Pi y Margall and the Federal Republican movement, 1868-74 by C.A.M Hennessy, 1962
- The Approximate Value of Pi:A Coffee Table Madddness Book by Ima Snidely, 2010-03-30
- Fast Talking PI by Selina Tusitala Marsh, 2009-05-01
- Pi to One Hundred Thousand Places by FQ Reference, Filiquarian Publishing, 2008-03-17
- Histoire de Pi (French edition of The Life of Pi) by Yann Martel, 2006-03-01
- Dead on: A Marcus Rydell, Kat Holley Pi Thriller (Five Star Mystery Series) by Robert W. Walker, 2009-07-17
- Songs of Beta Theta Pi by Francis W. Shepardson, James L. Gavin Gavin, 2007-07-25
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