Derek McCulloch Books

Stories of a Callow Youth

By Derek McCulloch

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Displaced Persons

By Rantz A. Hoseley, Derek McCulloch

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Tech Jacket Volume 3

By Joe Keatinge, Khary Rhandolph, Emilio Lopez

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Tori Amos: Little Earthquakes

By Annie Zaleski, Leah Moore, Gibson Twist, Margaret Atwood, Kelly DeConnick, Neil Gaiman, Tori Amos, Alison Sampson, Marc Andreyko, Derek McCulloch, Cat Mihos, Gianna Meola, Neil Kleid, Rantz Hoseley

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Celebrating 30 years of Tori Amos' breakout album: Little Earthquakes!The official graphic novel celebrating 30 years of Tori Amos's breakout album: Little Earthquakes. The landmark release that es...

Gone to Amerikay

By Colleen Doran, Derek McCulloch

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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.