|aAnimals of long ago /|cby Susan Ring ; illustrated by Will Nelson.
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|aNew York :|bScholastic Inc.,|cc2002.
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|a16 p. :|bcol. ill. ;|c25 cm.
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|aExplores the different periods in the development of life on earth, starting with the Age of Fishes, and continuing through the Age of Insects, Age of Dinosaurs, and Age of Mammals.