Robert Mash Books

Jack Spaniel

By David Catrow

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Jack Spaniel searches for dinosaurs in his back yard.

Dinosaurs Insiders

By John Long, Long John A.

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"Take yourself back 65 million years to the incredible age of the dinosaurs with this amazing virtual 3D book! Download the free software and use the interactive animation cards to unleash stunning...

D Is for Dinosaur

By Todd Chapman, Lita Judge

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"Our prehistoric world is presented from A to Z and includes information and current theories paired with illustrations of each topic. A poem introduces each topic and is accompanied by detailed te...

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.