Don Lessem Books

Supergiants!

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Describes some of the largest specimens of dinosaurs and how they were found and studied.

Historical photographs and bright paintings bring to life raptors, the lease known member of the dinosaur family, for young readers while a factual text discusses and describes these carnivorous cr...

Raptors

By Don Lessem

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Raptors!

By Don Lessem

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Dinosaur Worlds

By Don Lessem

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Dinosaur Worlds

By Don Lessem

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Dinosaur Worlds

By Don Lessem

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Dinosaur Worlds

By Don Lessem

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Dinosaur Worlds

By Don Lessem

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

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.

Don Lessem Books

The Worst of Everything

Supergiants!

Raptors

Raptors

Raptors!

Dinosaur Worlds

Dinosaur Worlds

Dinosaur Worlds

Dinosaur Worlds

Dinosaur Worlds

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?