Turtles All the Way Down by John Green, Out Oct. 10
With 45 million copies of his books in print, John Green needs no introduction. (But in case you're living under a rock, he wrote this mega bestseller.) He returns with Turtles All the Way Down, a book about which he says, "This is my first attempt to write directly about the kind of mental illness that has affected my life since childhood, so while the story is fictional, it is also quite personal." As if we needed a reason to get more excited about this book.