Chris Colfer Books

The Land of Stories A Grimm Warning

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Land of Stories

By Christopher Colfer

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Land of Stories

By Christopher Colfer

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The Land of Stories A Grimm Warning

By Chris Colfer

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Worlds Collide

By Brandon Dorman, Chris Colfer

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"Carson Phillips is at the bottom of the food chain in a high school filled with people he hates, stuck living with his depressed single mother in a small-minded town at the corner of nothing and n...

Struck by lightning

By Chris Colfer

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Tale of Sorcery...

By Chris Colfer

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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.