Doug Cushman Books

Rendezvous with Death

By Doug Cushman, Edwin Parks, William H. Hooks

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How Do You Make a Bubble

By Doug Cushman, Joanne Oppenheim, William H. Hooks

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Aunt Eater's Mystery Vacation

By Doug Cushman

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A mystery-loving anteater has a chance to solve several mysteries during her vacation at the Hotel Bathwater

Space Cat

By Doug Cushman

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When Space Cat and Earl the robot encounter trouble with their space ship, they crash-land on an alien planet to search for more fuel.

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.