need for online openGL books

[zishan]

hi friends,
i m a beginer to the openGL.
i need some free online books related
openGL especially if possible by sams "teach yourself in 21 days"
be happy and enjoy.

[Stack Overflow]

Here is a nice and easy on-line book to start with.

Red Book (http://ask.ii.uib.no/ebt-bin/nph-dweb/dynaweb/SGI_Developer/OpenGL_PG/)

- VC6-OGL