Marv Wolfman Books

MARVEL TWO-IN-ONE EPIC COLLECTION: TWO AGAINST HYDRA

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The ever-lovin' blue-eyed Thing is back, alongside the Marvel Universe's greatest stars and one from a world all his own - but first the Thing, the FF, the Invaders and the Liberty Legion travel ba...

Crisis on Infinite Earths: 35th Anniversary Deluxe Edition

By Marv Wolfman

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All the greatest DC heroes from across time and space join forces to stop a being more powerful than any they've ever faced--a mysterious being known as the Anti-Monitor who has begun a crusade acr...

History of the DC Universe

By Marv Wolfman

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A perfect companion to CRISIS ON INFINITE EARTHS, this is a definitive history of the DC Universe based on the consequences of that epic tale. Narrated by Harbinger, a central figure in the Crisis...

Deathstroke: The Terminator by Marv Wolfman Omnibus Vol. 1

By Marv Wolfman

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Marv Wolfman returns to one of his most famous creations—now the star of his own stories—in this omnibus collection of the fan-favorite ‘90s classic!In 1980, comics legends Marv W...

New Teen Titans Vol. 13

By Marv Wolfman

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Marv Wolfman's legendary run on The New Teen Titans continues in this collection of late '80s adventures, featuring the team facing the threat of Brother Blood and more!In the latest collection of...

New Teen Titans Vol. 14

By Marv Wolfman

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New Teen Titans Vol. 14 is the incredible continuation of the late 80's action-packed tales from Marv Wolfman of the Teen Titans! The Titans must battle some of the most powerful adversaries&m...

New Teen Titans Omnibus Vol. 1 (2022 Edition)

By Marv Wolfman

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In 1980, writer Marv Wolfman and artist George Pérez introduced a timeless team including Robin, Kid Flash, Wonder Girl, Cyborg, Changeling, Raven and Starfire—young heroes with great...

Suicide Squad: The Official Movie Novelization

By Marv Wolfman

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Assemble a team of the world’s most dangerous imprisoned super criminals, provide them the most powerful arsenal at the government’s disposal, and send them to defeat an enigmatic, unst...

Impact Volume 4 Whirlwind (Impact)

By Various, Marv Wolfman

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Deathstroke, the terminator

By Marv Wolfman

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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.