The Adobe Acrobat files linked below contains sample chapters from the book GPU Gems 2, edited by Matt Pharr, from Addison-Wesley. To find out more about this book or to order it, click here.

Chapter 8: Per-pixel Displacement Mapping with Distance Functions (5MB)

Chapter 14: Dynamic Ambient Occlusion and Indirect Lighting (2MB)

Chapter 29: Streaming Architectures and Technology Trends (4.7MB)

Get the free Adobe Acrobat reader here.