Andrew Gahan 
Game Art Complete [PDF ebook] 
All-in-One: Learn Maya, 3ds Max, ZBrush, and Photoshop Winning Techniques

A compilation of key chapters from the top Focal game art books available today – in the areas of Max, Maya, Photoshop, and ZBrush. The chapters provide the CG Artist with an excellent sampling of essential techniques that every 3D artist needs to create stunning game art.Game artists will be able to master the modeling, rendering, rigging, and texturing techniques they need – with advice from Focal’s best and brightest authors. Artists can learn hundreds of tips, tricks and shortcuts in Max, Maya, Photoshop, ZBrush – all within the covers of one complete, inspiring reference.