Beginning Unreal Game Development: Foundation for Simple to ...
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C++ Primer, Fifth Edition
Stanley B. Lippman & Josée Lajoie & Barbara E. Moo
Refactoring: Improving the Design of Existing Code
Martin Fowler
Game AI Pro 3
Steve Rabin
Players Making Decisions, 2nd Edition
Zach Hiwiller
Fundamentals of Game Design, Third Edition
Ernest Adams