Quote:
Originally Posted by WalkingDistance
As abookreader said: to see whether it has a DRM or not, just try opening it in calibre. If it opens, No DRM. If it won't, there will be an error saying the book is protected by DRM.
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That doesn't help a person avoid buying DRM'd books.
Amazon's non-DRM'd ebooks can be identified by "Simultaneous Device Usage: Unlimited."
Other stores that sell Kindle-compatible ebooks:
Fictionwise's multiformat books are non-DRM'd.
Baen's books are non-DRM'd.
Smashwords are non-DRM'd. (Some of those will feed to Amazon, and can be bought as Kindlebooks. But not all Smashwords books fit the criteria for the crossover sales. Possibly free Smashwords books can't go through Amazon.)