Lapham, David Books

Valiant Masters: Shadowman Volume 1 – Spirits Within

By Steve Englehart, Steve Ditko, David Lapham, Mark Moretti, Bob Hall, Don Perlin, Jim Shooter, Faye Perozich, Lapham, David

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Juice Squeezers: The Great Bug Elevator

By David Lapham, Lapham, David

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Tunnels made by a legion of giant bugs crisscross the fields below Weeville, and only one thing can stop them from overrunning this quaint California town: the Juice Squeezers. A covert group of sc...

Daredevil Vs. Punisher Means & Ends

By Lapham, David

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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.