The limelinx tools (includes the DeDRM app but, most importantly, the DeDRM_calibre plugin).

You need to download the following apps and install the first two. Use them while you read and reread Apprentice Alf's guide. I'm not sure I can quite recreate all the steps, but these tips may help Mountain Lion users.

iTunes music style DRM (signed files) is the answer. DRM removal is not the answer to flat (soon falling?) eBook sales. I fear, however, that my app.net friends who think this is an easy solution to eBook DRM problems are operating on a higher plain than I. I was able to remove the Adobe DRM and open it in iBooks on my iPhone.

Today I purchased a genuine Google Play Adobe Editions DRMd book. So I could easily put the ePUBs in Google Drive, upload to Google Play and drop them into iTunes for use on my iPhone. (Bonus: Fixing Adobe Digital Edition crash.), but my efforts to put the books I own on my personal device were frustrated when it turned out all of my Google Play books were DRM free. I previously wrote EPUB and DeDRM: Why Google Play Store is the best eBookStore for iBooks fans.

How to use calibre dedrm plugin