This guide has the ideal number of chapters: 13. The first six chapters present basic information that you need to understand to be able to draw a properly colored and lit three-dimensional object on the screen: Chapter 1, "Introduction to OpenGL," provides a glimpse into the kinds of things OpenGL can do. It also presents a simple OpenGL program and explains essential programming details you need to know for subsequent chapters. Chapter 2, "Drawing Geometric Objects," explains how to create a three-dimensional geometric description of an object that is eventually drawn on the screen
