If you've spent much time on 'Tumblr', you'll know that it's sort of a thinking man's Twitter. Many of its avid users are self-confessed literature nerds, which means that you end up getting some fairly interesting conversions about books going on. Here, we've found you fifteen instances when the people of Tumblr got real about books. Sometimes, this ended up with hilarious results, and other times it was just way too true for comfort. If you're a fan of reading, we're sure that you'll understand! Take a look!