This is a must have book whether you are an experienced programmer or a novice. For the experienced, it is the essential reference and all you need to begin programming Python immediately. For the novice programmer, it will be the essential reference in addition to one of the "learning" or "how to" books.
I started with "Learning Python" but put it down half-way through after picking this book up. It's well-organized, a great size and layout, and easy to read. It has the essential information.
One more comment: I'm very impressed with this series of books from New Riders. It seems to me that someone there must have decided to take O'Reilly's… Mehr dazu