Claudia Gray Books

Hourglass

By Claudia Gray

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The Haunted Mansion: Storm & Shade

By Claudia Gray

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Welcome, foolish mortals, to an original and eerie novel inspired by the Haunted Mansion attraction at Disney Parks!When high school student Audrey Perez moves to a town that's supposedly home to a...

The X-Files: Perihelion

By Claudia Gray

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The Truth Is Out There . . . But So Are Lies.#1 New York Times best-selling author Claudia Gray extends the story of The X-Files beyond its eleventh season into thrilling new territory!Fox Mulder a...

Star Wars the High Republic

By Giorgio Baroni, Claudia Gray

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House of El Book One: The Shadow Threat

By Claudia Gray

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Welcome to a brand-new vision of one of comics’ most famous tragedies, from New York Times bestselling author Claudia Gray and illustrator Eric Zawadzki. In this first graphic novel in a tril...

House of El Book Two: The Enemy Delusion

By Claudia Gray

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Welcome to a brand-new vision of one of comics' most famous tragedies, from New York Times bestselling author Claudia Gray and illustrator Eric Zawadzki. In this second book of a graphic novel tr...

House of El Book Three: The Treacherous Hope

By Claudia Gray

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Welcome to a brand-new vision of one of comics’ most famous tragedies from New York Times bestselling author Claudia Gray and illustrator Eric Zawadzki.  In this final book of a graphic...

Leia

By Claudia Gray

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Lost Stars

By Claudia Gray

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Grim

By Christine Johnson, Claudia Gray, Amanda Hocking, Ellen Hopkins, Rachel Hawkins

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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.