Turning the clock back several billion years, the author introduces readers the first denizens of planet earth--crustaceans called trilobite that ruled the oceans for three hundred million years. Reprint. 30,000 first printing.
Turning the clock back several billion years, the author introduces readers the first denizens of planet earth--crustaceans called trilobite that ruled the oceans for three hundred million years. Reprint. 30,000 first printing.