Prevent users from deleting iBooks from iPad I will be preparing some iBook files to use on an exhibit in a  museum, and I am afraid that visitors accidentally (or not) delete the book from the iBooks app.

I looked at the Restriction Settings, but I didn't find anything that could help me.

Is it possible to do that?
Settings → General → scroll down → Restrictions → Enable Restrictions → create passcode and enter it again when prompted → write it down somewhere → toggle Deleting Apps to OFF.