Holly Black Books

White Cat

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Cassel's family are magic workers. Ever since magic was prohibited in 1929 magic workers have been driven underground and into crime. And while people still need their touch, their luck, their curs...

Red Glove

By Holly Black

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Black Heart

By Holly Black

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Black Heart

By Holly Black

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Zombies vs. Unicorns

By Holly Black

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The Field Guide Spiderwick Chronicles Audio

By Nancy Gina Bermeo, Holly Black, Tony DiTerlizzi

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Lucinda s Secret Spiderwick Chronicles Audio

By Holly Black, Tony DiTerlizzi

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Wereworld Shadow of the Hawk

By Holly Black, Tony DiTerlizzi, Katy Hall

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Tithe

By Holly Black

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Doll Bones Turtleback School Library Binding Edition

By Holly Black

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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.