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L. B. Halstead

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Stand Alone

Evolution of Mammals
A closer look at prehistoric mammals
The world of dinosaurs
A closer look at the dawn of life
A closer look at prehistoric reptiles
Dinosaurs
Brontosaurus, the Thunder Lizard
Dinosaurs and Prehistoric Life A Look at the Animals and Plants of Prehistory
A Closer Look at Prehistoric Reptiles
A Closer Look at Prehistoric Mammals
The World of Dinosaurs