Erin Hunter Books

Warriors: Secrets of the Clans

By Erin Hunter

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Warriors: Secrets of the Clans

By Erin Hunter

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Warriors: The Lost Warrior

By Jean Little, Dan Jolley

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In the first book of the Graystripe’s Adventure manga arc, follow ThunderClan warrior Graystripe after he is captured by Twolegs in Warriors: The New Prophecy #3: [Dawn](https://openlibrary.org/wor...

Warriors: Warrior's Refuge

By Jean Little, Dan Jolley

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Graystripe and his friend, Mille, are finally on their way. Finding the ThunderClan is a lot harder than they'd imagined, though.

Warriors 1: Into the Wild

By Jean Little

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Warriors Box Set

By Jean Little

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Warriors: The New Prophecy Box Set: Volumes 1 to 6

By Erin Hunter

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Warriors Box Set: Volumes 1 to 6

By Jean Little

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Warriors: The Rise of Scourge

By Jean Little

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In this manga adventure, discover the origins of one of Warriors’ fiercest villains: Scourge, the leader of BloodClan in Warriors #6: [The Darkest Hour](https://openlibrary.org/works/OL5714286W/The...

Warriors: Tigerstar and Sasha 1: Into the Woods

By Jean Little

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Forced to leave her home, Sasha quickly grows tired of life on her own but she is not sure that joining ShadowClan, led by Tigerstar, would be a better choice.

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.