John Nyberg Books

Alien Visitors

By John Nyberg, Elizabeth Skurnick, Bruce Coville

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A graphic novel adaption accompanying Francis Ford Coppola's movie, "Bram Stoker's Dracula". It tells Stoker's story, from Vlad the Impaler's transformation to the accursed vampire, right through t...

Dracula de Bram Stroker

By John Nyberg, Mike Mignola, Roy Thomas, Francisco Perez Navarro

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Doom Patrol: The Painting That Ate Paris Vol 2

By John Nyberg, Richard Case, Grant Morrison

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Million Dreams Are Keeping Me Awake

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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.