Contributed by B@rt.
Yes, there is - you can purchase a full manual and tutorial guides from the e-shop at www.blender.nl/shop.
You can also download electronic documentation from www.blender.nl/download.
Contributed by B@rt.
Here are some titles I've been advised by others. I didn't
actually read them myself so your mileage may vary:
-----
Computer Graphics: Principles and Practice
Foley, van Dam, Feiner, and Hughes
Addison Wesley -- Reading, Massachusetts
(c) 1990. ISBN 0-201-12110-7
Computer Graphics Handbook: Geometry and Mathematics
Michael E. Mortenson. ISBN 0-8311-1002-3
Advanced Graphics Programming in C and C++
Roger Stevens and Christopher D. Watkins
(M&T Books, Inc.), 1991 ISBN: 1-55851-171-7
Contributed by B@rt.
Carsten Wartman wrote a 90-page document describing all aspects of the gameBlender. You can find it in HTML and PDF document at
https://www.blender.nl/gameBlenderDoc/
Contributed by B@rt.
ISBN 0-7615-3513-6
Contributed by B@rt.
No. You will have to save the image as a .JPG or .TGA first.
Contributed by Michael.
There are a number of online resources tutorials, an online manual and more. Going to the Blender 'support pages' at https://www.blender.nl/support/index.php takes you to online manuals, links and downloadable documentation.
Contributed by B@rt.
You can extend Blender with plugins. Please read the developer's pages for more information:
https://www.blender.nl/support/complete/devel/index.php
Also, there is a cool example of C++ programming in the Community Journal of July 20th:
https://www.blender.nl/showitem.php?id=194&page=6