Duncan Ball Books

The Case of the Graveyard Ghost and Other Mysteries

By Duncan Ball

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Jeremy's tail

By Duncan Ball

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Blindfolded Jeremy, on his way to pin the tail on the donkey, takes a circuitous route that carries him far afield, over the ocean and into space, before he finally reaches his goal.

Jeremy's tail

By Duncan Ball

Average: 0.00, 0 Ratings

Blindfolded Jeremy, on his way to pin the tail on the donkey, takes a circuitous route that carries him far afield, over the ocean and into space, before he finally reaches his goal.

Emily Eyefinger

By Duncan Ball

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Having been born with an extra eye on the end of her finger, Emily finds that it comes in very handy in many unusual situations.

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.