By Nolan Feeney
July 8, 2015

The upcoming Goosebumps movie isn’t an adaptation of one of the wildly popular children’s horror books by R.L. Stine, but a movie about the books themselves—with a fantastical twist.

Jack Black stars as an exaggerated version of the author who keeps the monsters and ghosts he writes about locked up in his Goosebump manuscripts. When new next-door neighbor Zach (Dylan Minnette) accidentally releases the beasts from their binding, he and his friends have to use their knowledge of the books to re-capture them.

See the just-released trailer, above, and catch the film just in time for Halloween when it opens Oct. 16.

Read next: R.L. Stine Explains the Hardest Part About Terrorizing Teenagers Today

Write to Nolan Feeney at nolan.feeney@time.com.

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