Griffin Birch isn't known for being brave, but there's something about the new black slide on the elementary school playground that's made him curious. Against his better judgement, he just has to follow his best friend Laila down.But the Black Slide is no ordinary piece of playground equipment. What Griffin and Laila find at the other end of this strange portal is a cruel world, populated by bloodthirsty creatures on a quest to become immortal.And it's up to Griffin to save himself, his best friend--and the future of earth itself.
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