- The Treatise on the Spleen and Stomach: A Translation of the Pi Wei Lun by Li Dong-Yuan, 1993-01-01
- Pi by Scott Hemphill, 2010-07-06
- The Great Pi/ e Debate: Which Is the Better Number? by Colin Adams, Thomas Garrity, 2006-10-30
- Rachel Cord, PI 'Still a Bitch': A Confidential Investigations Mystery by R E Conary, 2010-05-13
- Enhancing the Pololu 3Pi with RobotBASIC by John Blankenship, Samuel Mishal, 2010-09-27
- Pi, Monads, and the Quasi-Circle Theory: A theory on the circle more appropriate to the space age by Lionel Fabius, 2010-08-18
- Why Pi? by Johnny Ball, 2009-08-31
- The Color of Blood (Ed Loy PI) by Declan Hughes, 2008-03-01
- Pi - Unleashed by Jörg Arndt, Christoph Haenel, 2001-01-25
- Pi: Screenplay and The Guerilla Diaries by Darren Aronofsky, 1999-05-31
- Snow Blind (PI Julie Collins series #4) by Lori G. Armstrong, 2008-10-01
- Mark Julian Vampire P.I.: The Case of the Vampire Hunter (Mark Julian Vampire Pi) by Kyle Cicero, 2010-01-13
- Life of Pi by Yann Martel, 2004
- Work What You Got (Beta Gamma Pi) by Stephanie Perry Moore, 2009-01-01
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