Don Lessem Books

Dinosaur Worlds
Dinosaur Worlds

By Don Lessem

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Dinosaur Worlds
Dinosaur Worlds

By Don Lessem

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Scholastic Dinosaur A To Z
Scholastic Dinosaur A To Z

By Don Lessem

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Scholastic dinosaurs A to Z
Scholastic dinosaurs A to Z

By Don Lessem

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Arranged alphabetically, the encyclopedia presents an enormous amount of dinosaur information for budding paleontologists and amateur fossil hunters. Information cited includes what each dinosaur's...

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Biggest dinosaurs
Biggest dinosaurs

By Don Lessem

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Get the answers to the most popular questions on dinosaurs including the latest information on dinosaur discoveries.

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Monsters of the sea
Monsters of the sea

By Don Lessem

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Giants of the sky
Giants of the sky

By Don Lessem

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Get the answers to the most popular questions on dinosaurs including the latest information on dinosaur discoveries.

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Dinosaur Encyclopedia
Dinosaur Encyclopedia

By Don Lessem

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Inside the amazing Amazon
Inside the amazing Amazon

By Don Lessem

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The Iceman
The Iceman

By Don Lessem

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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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