Fixstars Corporation announces a book which starts with the basics of parallelization, covers the main concepts, grammar, and setting up a development environment for OpenCL, concluding with source-code walkthroughs of the FFT and Mersenne Twister algorithms written in OpenCL. It is highly recommended for those wishing to get started on programming in OpenCL.

(The pricing and more information can be obtained Fixstars web pages.)