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The Great Divide: A Mathematical Marathon
The Great Divide A Mathematical Marathon Author:Dayle Ann Dodds, Tracy Mitchell (Illustrator) "Bang!" goes the gun. The race is on. — Eighty racers explode from the starting gate, determined to win The Great Divide. They surge ahead, rushing toward -- OH NO! -- the wide hungry mouth of a grand canyon that claims half the racers. And this is only the beginning. More dangers lie ahead, waiting to divide the group once, twice, thre... more »e times, and more. Will there be anyone left to cross the finish line?« less