No, there is no DRM or anything like that on any Leanpub ebooks. Here's a little bit of information about Leanpub if you've just heard about us:
What is Leanpub?
If you're an author and you are concerned about piracy or curious about our DRM policy more generally, please see this article:
Should I worry about piracy? Does Leanpub do anything to protect me from piracy?
Please note that just because we don't have DRM on our books, it does not mean it's ok for you to do anything you want with the file, like make copies and distribute them, either to other people or on a website, etc. That is against our Terms of Service.
If you would like to purchase multiple copies so you can distribute a book to other people, here are the instructions: http://help.leanpub.com/en/articles/117458-how-do-i-buy-multiple-copies-of-a-book.
OK, that's it!
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