I see a technical book on the iBooks store which looks interesting. The description tells me everything except:

  • What format (PDF, ePub etc) is supplied?
  • Does the book have DRM?

I don’t know whether the answer is always the same, but how can I find out about the book on the store?

  • One publisher that does not use DRM is O'Reilly. Otherwise I would assume paid books do have it. – Tom Gewecke Jul 13 '18 at 9:25
  • @TomGewecke I used to buy books directly from O’Reilly, and one of the benefits was, as you say, no DRM. However, they’ve stopped selling them. When I emailed them about where to buy books, and whether they would still be DRM free, the reply was vague. – Manngo Jul 13 '18 at 11:20

Books from the iBooks Store are always in the .ibooks or .epub format. It is never PDF.

Books from the iBooks Store can be DRM-protected, but they don't have to be. It is up to the publisher of the book to decide.

To check for DRM you can select the book and choose "Get Info" from the Files menu. If this shows "Purchased book" it is non-DRM, if it shows "Protected book" it is DRM-protected.

  • The DRM check only works after purchase/download of the book, right? – nohillside Jul 13 '18 at 9:04
  • What do you mean “only works”? – jksoegaard Jul 13 '18 at 11:33
  • @tomgewecke Do you have a source on ePub from the iBooks Store? As far as I know this is not the case. – jksoegaard Jul 13 '18 at 11:34
  • Well, to do „Get Info“ you need to download the book first. It‘s not possible to check DRM protection before the purchase this way. But good to know for purchased books. – nohillside Jul 13 '18 at 12:10
  • @jksoegaard See the first part of. support.apple.com/en-us/HT201183 – Tom Gewecke Jul 13 '18 at 12:38

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