If I download a book directly to my iPad, my adobe desktop edition doesn't recognize my sign out. Is it a sync thing?
I've been having a similar problem. Until 2 days ago, I've been reading checked out library books via an ap called OverDrive. Now I'm getting a message that my titles are invalid and that I must verify my Adobe ID.
I also have the same issue. I am using overdrive on my Motorola defy phone. I am in contact with my local library help desk. I hope something comes of this
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