David Lapham Books

Wolverine

By David Aja, David Lapham, Rob Williams, C.P. Smith, Laurence Campbell, Stuart Moore

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Terror Inc. TPB Terror

By Patrick Zircher, David Lapham

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Silverfish

By David Lapham, Dave Lapham

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Crisis Aftermath: The Spectre

By David Lapham, Cliff Chiang, Justin Gray

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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.