John D'Agostino Books

Fantastic Four Visionaries George Perez Vol. 2

By Mike Esposito, Ralph Macchio, Doug Moench, Len Wein, Joe Sinnott, Mark Gruenwald, Marv Wolfman, George Perez, John D Agostino, Chic Stone, Gene Day, Roger Stern

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Star Wars omnibus

By David Manak

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"Based on two children's television cartoon series of the same names, "Ewoks" and "Droids" explore the further adventures in the lives of the Ewoks on Endor and the droids R2-D2 and C-3PO"--Cover p...

Star Wars Omnibus Droids Ewoks

By Manak David Caragonne George

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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.