Mort Castle Books

Graphic Classics Vol. 11

By Rick Geary, O. Henry, Others, Esao Andrews, Rod Lott, Shary Flenniken, Mort Castle

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Halloween Classics

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Retells classic scary tales in graphic nopvel format.

Jn Williamsons Illustrated Masques

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Shadow Show

By Maria Frohlich, Charles Paul Wilson, Mark Sexton, Matthew Dow Smith, Eddie Campbell

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J. N. Williamson s Masques

By Daerick Gross, Robert C. McCammon, Stephen King, James Kisner, Mort Castle

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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.