There are a variety of books about Python. Here's a guide to them:
IntroductoryBooks (gentle overviews of the language)
AdvancedBooks (for when you don't want gentle)
ReferenceBooks (much information in a small space)
- Specific applications:
- Books in languages other than English:
When you see a book you like, don't hesitate to add your recommendation!
External sources of information about (Python) books:
Computer-Books.us - A collection of Python books available for free download.
CodeIdol.com - A collection of Python books available for online reading.
There is also a list of OutOfPrintBooks.