Brandon Mull Books

Crystal keepers

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Cole Randolph ventures to a new kingdom as he continues his search for his friends -- and also pursues his quest to mend what has gone awry with the magic in The Outskirts. Cole ventures to a new...

Death Weavers

By Brandon Mull

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Cole and his friends finally reach the fourth of the five kingdoms, Necronum, land of the dead, where they confront unexpected dangers and meet new allies.

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.