Well, what's 'a book'?

A collection of pages containing text concerning a specific subject?

If so, here goes (in the order I tend to consult them):

1. The Camel
2. The Cookbook
3. The Monastery
4. The Internet
5. Advanced Perl programming
6. The Llama

"Livet är hårt" sa bonden.
"Grymt" sa grisen...