The Nikon D700, to my mind, is an excellent camera. To the uninitiated it can appear complicated and perhaps a little daunting to use except on the simplest of settings. It is sold with a reasonably comprehensive owner's manual. David Busch's book is eminently readable and compliments the Nikon manual. It goes into more detail and makes various recommendations, some of which I have followed up on the suggested websites. It deals with the each element in detail and in many cases explains "why" rather than just "how". The guide is a bit large to put in a pocket but I guess you won't want to be without it for long!