Cassandra Clare Books

The Bronze Key

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Magic can save you. Magic can kill you.Students at the Magisterium are supposed to be safe. Under the watchful eyes of the mages, they are taught to use magic to bring order to a chaotic world.But...

The Silver Mask

By Holly Black, Cassandra Clare

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Power over death is the ultimate power.   A generation ago, Constantine Madden came close to achieving what no magician had ever achieved: the ability to bring back the dead. He didn’t s...

The Golden Tower

By Holly Black, Cassandra Clare

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All good magicians come to an end.Callum Hunt has been a hero and an outcast, a force of good and a portent of evil. While the doors of the Magisterium have been open to him, he has never felt enti...

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.