Amazon prices may seem less....but you can't write on a Kindle.....and the Kindle doesn't have two screens....one to keep the table of contents open on and allows you to skip through the book quite easily ( which is incredibly useful ). I bought Windows 7 Secrets from Entourage for that very reason and also because it was actually about the same price ( maybe even a little cheaper ) because I live in the State Of Amazon and have to pay taxes on my online purchases from them.. Though I still buy books for my Kindle mainly to read on my ipod when waiting somewhere and it was not conveniant to bring the actual Kindle.