Blender is a free and open source graphics program for computer modeling and animation incorporating Photorealstic Rendering, Realistic Materials, Character Rigging, Sculpting, UV Unwrapping, Compositing, Simulation, Camera and Object Tracking, Game Creation and Video Editing. The program is comprehensive. The interface is extensive. The creative experience is fantastic.The Complete Guide to Blender Graphics: Computer Modeling and Animation is a unified learning manual for beginners and a reference for advanced users. The manual introduces the basic components of the Blender program with reference to the interface using written instruction in conjunction with illustrations and examples. In this fourth edition of The Complete Guide to Blender Graphics the author has included changes to the program which eventuate as Blender is developed and improved. New subject matter has been added with examples.