This Nikon D80 User's Guide Book will teach you to be an expert on the Nikon D80's controls and menus. It also includes a lot of tips, tricks, and the settings I prefer to use.
Camera Instructions
Digital Camera Instructions, How to use a Digital Camera, Camera Operating Directions, Camera Guide Book Free Downloads
Nikon D700 User's Guide Book
This Nikon D700 User's Guide Book will teach you every possible nuance of using the Nikon D700. This Guide Book will make you to an expert on the Nikon D700. It includes lots of tips, tricks, secrets and the settings I prefer to use, but this alone won’t get great pictures.
Nikon D90 User's Guide Book
This Nikon D90 User's Guide Book will make you to an expert on using the Nikon D90, but this alone won’t get great pictures.
To get great photos you still need to get yourself to the right place at the right time and point the camera in the right direction, which is a lot harder than mastering the D90.
Right out of the box at default settings the D90 does a great job, but you need an eye to “see” the photos before you take them.