Best Book Series of All Time: Final Four!

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Simon & Schuster/Scholastic

Simon & Schuster/Scholastic

Here it is, folks. The final four in our Best Book Series of All Time battle: The Infernal Devices, Harry Potter, The Mortal Instruments and Harry Potter. All of them have super serious fandoms, so if you want your fave to win, cast those votes all weekend long. Who do you think will take top prize? Tell us in the comments. We’ll announce the winner on Monday, March 4!

Vote for the Best Book Series of All Time!