Derek McCulloch Books

Gone to Amerikay

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"This sweeping, century-spanning graphic novel explores the vivid history of Irish émigrés to New York City via three intertwined tales, from a penniless woman raising a daughter alone in the Five...

Stagger Lee

By Shepherd Hendrix, Derek McCulloch

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A graphic novel adaptation of the legend of Lee Shelton, better known as Stagger Lee, which tells of the dice game that led to Lee shooting and killing Billy Lyons, and which inspired the famous song.

Displaced persons

By Derek McCulloch

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"San Francisco, the twentieth century: In 1939, a private detective searches for a missing heiress. In 1969, twin brothers approach a drug heist from opposite sides of the law. And in 1999, a woman...

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.