MARC GUGGENHEIM Books

Civil war II. Fallout

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One of the major players of Civil War II takes center stage in this prequel to the epic event! But what odyssey led Ulysses to join the Uncanny Inhumans? And what trials did he face as he struggled...

Troll Hunters

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Swashbucklers

By Marc Guggenheim

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Civil War T02

By GUGGENHEIM JENKINS RAMOS

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Stephen Kings N.

By Stephen King

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Marvel must have thunderbolts. la ascension de norman

By Mike Deodato Jr., Warren Ellis

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EL ASOMBROSO SPIDERMAN

By SANTIAGO GARCIA

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Marvel Saga El Asombroso Spiderman 20. El Rastro De La Arana

By SANTIAGO GARCIA

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BLADE 02. PECADOS DEL PADRE

By MARC GUGGENHEIM GENE COLAN HOWARD CHAYKIN

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Civil War Lobezno

By Humberto Ramos Maruba, Marc . . . Et Al. Guggenheim, Carlos Cuevas

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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.