Originally Posted by jmilica
I always purchase Amazon.com books from PC and choose download to computer (not Kindle for PC). Amazon then asks which Kindle do you plan to read the book on. After that it lets you download .azw or .azw3 file directly to PC. After that you connect your Kindle with the PC and just transfer the downloaded file to documents.
I always liberate them through Calibre before transferring to Kindle, so I don't know if it would work without liberation...
But that's one step more than necessary.
When checking out, you additionally could specify to which Kindle you'd like to send the book wirelessly.