Stephen Holland Books

Sci-Fi Art: A Graphic History

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"Sci-Fi Art: A Graphic History traces the evolution of this popular art form from the earliest illustrations of Jules Verne and H.G. Wells through the classic cover art of pulp magazines from the 1...

British science fiction paperbacks and magazines, 1949-1956

By Philip Harbottle

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British science fiction paperbacks and magazines, 1949-1956

By Philip Harbottle

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Vultures of the Void

By Daryl F. Mallett, Philip Harbottle, Stephen Holland

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British science fiction paperbacks and magazines, 1949-1956

By Philip Harbottle

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Wings of Death

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Index to Mellifont Press Publisher Checklists

By Stephen Holland, Steve Holland

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The Trials of Hank Janson

By Steve Holland

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Sci Fi Art A Pocket History

By Stephen Holland

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Bioethics

By Stephen Holland

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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.