Keith Pollard Books

Dreams and nightmares! The Thing's revamped Fantastic Four is already down one member - and now Sharon Ventura, the new Ms. Marvel, is taking out her anger on She-Hulk! When the Inferno sets New Yo...

OFFICIAL HANDBOOK OF THE MARVEL UNIVERSE: MASTER EDITION OMNIBUS VOL. 1

By Len Kaminski

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Amid the comics boom of the 1990s, THE OFFICIAL HANDBOOK OF THE MARVEL UNIVERSE evolved to meet the collector frenzy - reinvented and presented as shrink-wrapped packs of looseleaf cards, hole-punc...

Marvel Masterworks

By Bill Mantlo, Rich Buckler, Marv Wolfman, Keith Pollard, John Byrne

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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.