Rod Ruth Books

Album of prehistoric man
Album of prehistoric man

By Tom McGowen

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A brief introduction to the evolution and characteristics of prehistoric people from apelike prehumans to modern human beings.

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Marine Mammals of the Western Hemisphere
Humpty Dumpty and other nursery rhymes
Humpty Dumpty and Other Nursery Rhymes
Baleful beasts and eerie creatures
Baleful beasts and eerie creatures

By

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Baleful beasts and eerie creatures
Baleful beasts and eerie creatures

By

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Album of whales
Album of whales

By Tom McGowen

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Introduces various types of whales, dolphins, and porpoises.

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Collins Book of Prehistoric Animals
Collins Book of Prehistoric People
Collins Book of Sharks
Collins Book of Sharks

By Tom McGowen, Rod Ruth

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If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

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