UNASSIGNED Books

FANTASTIC FOUR EPIC COLLECTION: THE COMING OF GALACTUS NEW PRINTING 2

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Stan Lee called it "the World's Greatest Comic Magazine," and he wasn't kidding. If Lee and Jack Kirby set the comics world on fire in 1961 with the debut of the Fantastic Four, in 1965 they burned...

Star Lord

By Sam Humphries, Javier Garron, UNASSIGNED, Marvel Various

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JEPH LOEB & TIM SALE: SPIDER-MAN GALLERY EDITION

By UNASSIGNED, Jeph Loeb, Tim Sale

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One of the most moving Spider-Man stories of all time gets the gallery edition treatment, by legendary creative team Jeph Loeb and Tim Sale. 'It's about remembering someone so important to me I was...

STAR WARS: THE MANDALORIAN - SEASON ONE, PART TWO

By Rodney Barnes

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The comic book adaptation of the hit series continues! A rookie bounty hunter needs a little help with a tough job, and who better than the Mandalorian to lend his expertise? But when Mando finds h...

How Do We Know What Is Beautiful

By Unassigned

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What Is Human Knowledge?

By Unassigned

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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.