Marathon Team Books

Totally Spies 1

By Marathon Team

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Totally spies

By Marathon Team

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First the girls find a perfect community in California, but it may be too perect. Then, they have a close encounter with older versions of themselves.

Totally Spies 2

By Marathon Team

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Totally Spies 2

By Marathon Team

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First Alex, Sam and Clover get retro after Boogie Gus gives them a blast from the past. Then, a nightmare comes true in Attack of the 50 ft. tall Mandy.

Totally Spies 3

By Marathon Team

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Totally Spies 3

By Marathon Team

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Totally Spies 4

By Marathon Team

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Totally Spies 4

By Marathon Team

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When their favorite band plans a live concert from the moon but ends up abducted by aliens, the spies enlist in a rescue mission; and, when Alex joins a sports team, she falls under the spell of a...

Totally Spies 5

By Marathon Team

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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.