xkcd: volume 0
Randall Munroe
UNIX and Linux System Administration Handbook
Evi Nemeth & Garth Snyder & Trent R. Hein & Ben Whaley
JWT Handbook
Sebastián E. Peyrott
Software Architecture Metrics
Neal Ford & Eoin Woods & Christian Ciceri & Dave Farley & Andrew Harmel-Law & Michael Keeling & Carola Lilienthal & João Rosa & Alexander von Zitzewitz & Rene Weiß
Program Management for Open Source Projects
Ben Cotton
Forge Your Future with Open Source
VM (Vicky) Brasseur
Business Success with Open Source