Shannon Messenger Books

Unlocked

By Shannon Messenger

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Keeper of the Lost Cities

By Shannon Messenger

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At age twelve, Sophie learns that the remarkable abilities that have always caused her to stand out identify her as an elf, and after being brought to Eternalia to hone her skills, discovers that s...

Exile

By Shannon Messenger

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Let the Storm Break

By Shannon Messenger

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While teenaged Vane discovers more of what it means to be a windwalker and his guardian sylph Audra struggles with her deepest desires, both must band together to face greater challenges than they...

Let the Wind Rise

By Shannon Messenger

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The breathtaking action and whirlwind adventure build to a climax in this thrilling conclusion to the remarkably unpredictable (BCCB) Sky Fall trilogy from the bestselling author of the Keeper of...

Let the Sky Fall Trilogy Let the Sky Fall Let the Storm Break Let the Wind Rise

By Shannon Messenger

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Nightfall 6 Keeper of the Lost Cities

By Shannon Messenger

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Legacy

By Shannon Messenger

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Keeper of the Lost Cities Collection Books 1 5 Keeper of the Lost Cities Exile Everblaze Neverseen Lodestar

By Shannon Messenger

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Stellarlune

By Shannon Messenger

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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.