Thom Holmes, "Early Life: The Cambrian Period"
2008 | pages: 225 | ISBN: 0816059578 | PDF | 11,7 mb
2008 | pages: 225 | ISBN: 0816059578 | PDF | 11,7 mb
Each title in this comprehensive reference series highlights fundamental principles of scientific inquiry and provides insight into dinosaurs and other fascinating prehistoric creatures, including mammals, birds, flying reptiles, ocean life, and human ancestors.
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