Jean Cassels Books

Swift as the wind

By Barbara Juster Esbensen

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Describes the physical characteristics and habits of the cheetah, fastest of the big cats.

Oak Tree Webs of Life

By Jean Cassels, Paul Fleisher

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The mysterious collection of Dr. David Harleyson

By Jean Cassels

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When a world famous artist disappears, his nephew pieces together the clues found on the backs of a group of portraits, which feature characters from Mother Goose, Grimm, and Aesop, to decipher whe...

The mysterious collection of Dr. David Harleyson

By Jean Cassels

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Br er Rabbit Captured

By Jean Cassels

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Glow In The Dark Animals

By Kris Hirschmann

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The Twelve Days of Christmas in Louisiana Twelve Days of Christmas State By State

By Jean Cassels

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The Twelve Days of Christmas in Louisiana

By Jean Cassels

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Les poissons

By Christopher Nicholas

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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.