Game Engine Design and Implementation: Foundations of Game Development by Thorn

Practical Game Development with Unity and - Paperback, by Thorn Alan - Very Good

Game Engine Design and Implementation by Thorn, Alan

Game Engine Design and Implementation Paperback Alan Thorn

Practical Game Development with Unity - Paperback, by Thorn Alan - Acceptable

UDK Game Development - Paperback By Thorn, Alan - GOOD

Systems Analysis and Design - Paperback, by Dennis Alan; Wixom - Very Good

Unity 5.x By Example: An example-based - Paperback, by Thorn Alan - Very Good