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Where did the tree house come from?  Before Jack and Annie can find out, the mysterious tree house whisks them to the prehistoric past.  Now they have to figure out how to get home.  Can they do it before dark, or will they become a dinosaur's dinner?

Join Jack and Annie on their very first fantasy adventure in Dinosaurs Before Dark, the first installment of the beloved and bestselling 'Magic Tree House' middle grade adventure series.