Do you like to "buy" lots of free books, but you don't want them all downloaded to your Kindle? Not a problem. Try this. 1. Install Kindle for PC (or Mac) on your computer. 2. When you "buy" a free book, have it sent to your Kindle desktop app instead of your Kindle 3. Select a Collection category for your new book You can import all your collections from your Kindle, just like in the screenshot below, so you won't lose any of your organization.  When you're ready for a new book, browse your collections on your computer, select a new book and go to...