This one's coming straight from the horse's mouth. Amazon is acknowledging a "known issue" with version 3.6.1 of its Kindle app for iOS -- the company is recommending that current users avoid the latest update, which hit the App Store today. According to TUAW, the new version may completely erase a user's book library. How this passed the e-book giant's QA team is anyone's guess, but until a revision hits the cloud, we suggest you stay away.Filed under: Software,