The time trekkers visit the--

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The time trekkers visit the Romans

1995
Describes many areas of ancient Roman civilization including its architecture, economy, military, and agriculture.

The time trekkers visit the dinosaurs

1995
Presents information on the ancient world of the dinosaurs including a chapter on digging for fossils and discussion of the compsognathus, stegasaurus, pterosaurs, and others.
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