This book is a must-have for anyone serious about rendering in real time. With the announcement of new ray tracing APIs and hardware to support them, developers can easily create real-time application
M. Müller, J. Bender, N. Chentanez, and M. Macklin. Proceedings of the 9th International Conference on Motion in Games, page 55--60. New York, NY, USA, ACM, (2016)