User Story Mapping
Jeff Patton
The Art of Computer Programming 2: Seminumerical Algorithms
Donald E. Knuth
The Art of Computer Programming (2)
Security Analysis: The Classic 1951 Edition
Benjamin Graham
The Hitchhiker's Guide to the Galaxy
Douglas Adams
The Hitchhiker’s Guide to the Galaxy (1)
Conceptual Blockbusting: A Guide to Better Ideas
James L. Adams