This was almost too meta for words (Carry On was inspired by fanfiction based on characters from the Harry Potter series and written by characters in Rowell's novel Fangirl over the course of the novel... *sigh*), but I really enjoyed it-- if we're being honest, I liked it more than Fangirl! The central mystery and the other non-romance parts of the story were compelling enough that this would work as a stand-alone novel for people who have never read Fangirl, but for those of us who have read it, the Simon and Baz story is the icing on the cake. This was Rowell's first official venture into writing fantasy, and I certainly hope it's not her last!