Originally Posted by thecyberdeaf
Never mind: in spite of my searching like a crazy, the "Similar Threads"
But really, there's no blatant and visible way for anyone using Calibre to see if a book already imported has DRM or not in it. Or there is?
And thanks to Mr. "Deep Cover"
Well with those title it is easy
Publisher: Baen = No DRM
The Quality Check plugin has a EPUB DRM infestation check.
Kindle books with DRM have there own extension (That is not Mobi, Prc)