Captivate
Vanessa Van Edwards
The 2-Hour Cocktail Party
Nick Gray
Making It All Work
David Allen
Head First Data Analysis
Michael Milton
Agile Estimating and Planning
Mike Cohn
The Chimp Paradox
Steve Peters
Clean Code
Robert C. Martin
Eloquent Ruby
Russ Olsen
Fluent Forever (Revised Edition)
Gabriel Wyner
Growing Object-Oriented Software, Guided by Tests
Steve Freeman & Nat Pryce
Joe Celko's Data, Measurements and Standards in SQL
Joe Celko
Joe Celko's SQL for Smarties
LMMS
David Earl
The New Drawing on the Right Side of the Brain
Betty Edwards
Practical Object-oriented Design in Ruby
Sandi Metz
Working Effectively with Legacy Code
Michael Feathers