From the reviews:
"This book is an advanced treatise on hybrid methods of molecular modeling. It provides a thorough and relatively self-contained presentation of the theoretical foundations of hybrid modeling with detailed derivations of the key equations and discussion of approximations for their solution. As such, this is a very useful reference for graduate students, practicing experts, and developers . Overall, this book is a novel contribution to the field of hybrid modeling that lays the foundation for formulating a useful general QM/MM modeling approach." (Darrin York, Journal of the American Chemical Society, Vol. 131 (42), 2009)