Books
NOTE: Check the Blender storeBlender Store on the books listed below to see if they can be purchased through that facility; doing so helps support the Blender foundation.
Beginner
Beginners guide to cycles nodes, the procedural way Free online book in google docs.
Blender 3D: Noob to Pro Free online Wikibook, also available as a pdf or a 7zipped html page.
Blender Foundations, The Essential Guide to Learning Blender 2.6 by Roland Hess. ISBN 978-0-240-81430-8. Version 2.6
CRC Press, The Complete Guide to Blender Graphics: Computer Modeling & Animation, Third Edition by John M. Blain. ISBN 978-1-498-74645-8.
Intermediate
- Mastering Blender by Tony Mullen ISBN 978-1118275405
- Introducing Character Animation with Blender, 2nd Edition by Tony Mullen. 978-0470427378
- Blender Master Class: A Hands-On Guide to Modeling, Sculpting, Materials, and Rendering by Ben Simonds ISBN 978-1593274771
- The Cycles Encyclopedia by Frederick Steinmetz and Gottfried Hofmann
Advanced
- Bounce, Tumble and Splash by Tony Mullen ISBN 978-0-470-19280-1 (Physics Simulation) 2008