Factor Model Approach To Derivative Pric by Primbs James A.
This book provides the fastest and simplest route to the majority of the results and equations in derivative pricing and gives the reader the tools necessary to extend these ideas to new situations that they may encounter. It does so by focusing on a single underlying principle that is easy to grasp and then it shows that this principle is the key to the majority of the results in derivative pricing. In that sense it provides the 'big picture' of derivative pricing by focusing on the underlying principle and not on mathematical technicalities. After reading this book one is equipped with the tools needed to extend the concepts to any new pricing situation.