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- Woolly mammoth, Marc Zabludoff ; illustrated by Peter Bollinger
- Doedicurus, Marc Zabludoff ; illustrated by Peter Bollinger
- The reptile class, Marc Zabludoff
- Monkeys, by Marc Zabludoff
- Kronosaurus, Marc Zabludoff ; illustrated by Peter Bollinger
- Mastodon, Marc Zabludoff ; illustrated by Peter Bollinger
- Dire wolf, by Marc Zabludoff ; illustrated by Peter Bollinger
- Gastornis, by Marc Zabludoff ; illustrated by Peter Bollinger
- Basilosaurus, by Marc Zabludoff ; illustrated by Peter Bollinger
- Giant ground sloth, Marc Zabludoff ; Illustrated by Peter Bollinger
- Hyracotherium, by Marc Zabludoff ; illustrated by Peter Bollinger
- Spiders, by Marc Zabludoff
- Saber-toothed cat, Marc Zabludoff ; illustrated by Peter Bollinger