Physically based rendering form theory to implementation - http://www.amazon.ca/Physically-Based-Rendering-Theory-Implementation/dp/0123750792/ref=sr_1_1?s=books&ie=UTF8&qid=1425451050&sr=1-1&keywords=physically+based+rendering
has all the information which is in Real time rendering - http://www.amazon.ca/Real-Time-Rendering-Third-Tomas-Akenine-Moller/dp/1568814240/ref=sr_1_1?s=books&ie=UTF8&qid=1425451133&sr=1-1&keywords=real+time+rendering
in terms of rendering? And techniques listed in Physically based rendering can be executed using HLSL?