Cassandra Clare Books

NEW YORK TIMES BESTSELLER • Two outcasts find themselves caught in a web of dangerous magic and dark secrets that could change the world forever in the start of a riveting epic fantasy se...

Sword Catcher

By Cassandra Clare

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NEW YORK TIMES BESTSELLER • Two outcasts find themselves caught in a web of dangerous magic and dark secrets that could change the world forever in the start of a riveting epic fantasy se...

The Ragpicker King

By Cassandra Clare

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In the epic follow-up to the New York Times bestseller Sword Catcher, praised by George R. R. Martin as “everything I look for in fantasy,” Lin and Kel must chart a perilous course betw...

The Iron Trial

By Holly Black, Cassandra Clare

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Most kids would do anything to pass the Iron Trial.Not Callum Hunt. He wants to fail.All his life, Call has been warned by his father to stay away from magic. If he succeeds at the Iron Trial and...

The Copper Gauntlet

By Holly Black, Cassandra Clare

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Callum Hunt’s summer break isn’t like other kids’. His closest companion is a Chaos-ridden wolf, Havoc. His father suspects him of being secretly evil. And, of course, most kids a...

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.