Book 1 - Auditor Handbook -  https://docs.google.com/document/d/1eiptvja9HFFRKqXrfwKSYw3BTngyyX2IWnndt5NlrSg/edit?usp=sharing 

Book 2 - Technology Handbook - https://docs.google.com/document/d/14leLsmLFV_fMGFL7ry9oi-EjyiynQFPyC33auc2OmxI/edit?usp=sharing