Range
David Epstein
Refactoring UI
Adam Wathan & Steve Schoger
Man's Search for Meaning
Viktor Frankl
The Pragmatic Programmer: From Journeyman to Master
Andrew Hunt & David Thomas
User Friendly
Cliff Kuang & Robert Fabricant
Tiny Habits: The Small Changes That Change Everything
BJ Fogg
Four Ways of Thinking
David Sumpter