Letters to a Young Mathematician
Ian Nicholas Stewart
The Future of Post-Human Humor: A Preface to a New Theory of ...
Peter Baofu
Words, Thoughts, and Theories
Alison Gopnik & Andrew N. Meltzoff
Marx: A Very Short Introduction
Peter Singer
A Treatise on Universal Algebra: With Applications, Volume 1
Alfred North Whitehead
Wikipedia: The Missing Manual
John Broughton
Missing Manual (1)