J. Holtham Books

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NIGHT THRASHER: REMIX
NIGHT THRASHER: REMIX

By J. Holtham

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Nineties sensation Night Thrasher — breakout star of the classic young hero team the New Warriors — stars in his first series in 30 years!It’s time to thrash the night! Dwayne Tay...

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BISHOP: WAR COLLEGE
BISHOP: WAR COLLEGE

By J. Holtham

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The X-Men like you've never seen them before! Krakoa is an island paradise, and it's a vulnerable one - but not with Lucas Bishop on the case! Armor, Surge, Cam Long, Aura Charles, Amass - these ar...

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Star Trek: Warriors of the Mirror War
Star Trek: Warriors of the Mirror War

By Celeste Bronfman J. Holtham Danny Lore Marieke Nijkamp

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Expand upon the world of The Mirror War in these short stories focusing on some of your favorite characters: Data, Geordi La Forge, Benjamin Sisko, and Deanna Troi!Data and Barclay’s relation...

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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.

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