Geoffrey Thorne Books

King in Black

By Guiu Vilanova, Clay McLeod Chapman, Geoffrey Thorne, Frank Tieri, Marc Bernardin

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Mosaic

By Geoffrey Thorne

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It's Marvel's newest hero, MOSAIC! Morris Sackett is a professional basketball player and celebrity loved by millions. But when he comes into contact with the transformative Terrigen Mists, Morris...

Mosaic

By Thony Silas, Khary Randolph, Geoffrey Thorne

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Sword of Damocles

By Geoffrey Thorne

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Star Trek Titan 4

By Geoffrey Thorne

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Star Trek Titan 4

By Geoffrey Thorne

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Black Panther

By Madison Ira III, Steven Barnes, Tananarive Due, Geoffrey Thorne, Mohale Mashigo

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Blood Syndicate: Season One

By Geoffrey Thorne

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The popular milestone antiheroes return, reimagined for the 21st century!Rolando “Tech-9” Texador and Hannibal “Wise Son” White return to the Paris Island suburb of Dak...

Truth & Justice

By Geoffrey Thorne

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The ideals of truth and justice are concepts synonymous with DC's superheroes from the Golden Age of Comics to the present day, and they're the foundation for this new anthology, Truth & Justice wi...

Green Lantern Vol. 1: Invictus

By Geoffrey Thorne

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Geoffrey Thorne (Ultimate Spider-Man) brings together a Green Lantern team like never before! Featuring fan favorites like John Stewart and Jessica Cruz team up with  the new Teen Lantern...

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.