  1990 - The Total Penguin (Hardcover) → Hardcover ISBN-13: 9780139250415 ISBN-10: 0139250417 Genres: Crafts, Hobbies & Home, Science & Math, Outdoors & Nature ?  1988 - Digging Dinosaurs the Search That Unraveled the Mystery of Baby Dinosaurs (Hardcover) → Paperback ISBN-13: 9780894802201 ISBN-10: 0894802208 Genres: Nonfiction, Science & Math 1 |
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