
Three kids travel to the time of the dinosaurs. They are trying to help a baby dinosaur find his mother. But an asteroid is about to hit the Earth. And a scary meat-eater is chasing them! Only math can save them! And you can help the kids figure out what to do!
Page Count:
0
Publication Date:
2004-07-01
ISBN-10:
0606306021
ISBN-13:
9780606306027
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