Merriam-Webster's Dictionary and Thesaurus
Merriam-Webster
Notes on Philosophy, Probability and Mathematics
Frank Plumpton Ramsey
Fundamentals of Software Architecture: An Engineering Approach
Neal Ford & Mark Richards
The Oxford Handbook of Analytical Sociology
Peter Hedström & Peter Bearman & Peter S. Bearman
Philosophy for Dummies
Martin Cohen
The Book of Five Rings
Miyamoto Musashi