Where can I learn about the digital photography?


I am really interested in learning about digital photography.Can anyone suggest me some good eBooks on digital Photography tips and digital Photography tutorials. so that i can learn step by step about digital photography Secrets.

What is the difference between photography and digital photography?

digital photography4 What is the difference between photography and digital photography?
Some colleges want to know if I want to major in photography or digital photography. Besides the use of two different cameras, what the real difference?