Maggie Duff Books

Rum pum pum

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Aided by others who have suffered at the hands of the king, a blackbird seeks revenge on the monarch who has stolen his wife.

The Princess and the Pumpkin: Adapted from a Majorcan Tale

By Maggie Duff

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An old granny succeeds where others have failed in curing an ailing princess.

Dancing Turtle

By Maggie Duff

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Lured into captivity when her singing is praised, a many-talented turtle charms her hungry captors and dances to freedom.

Jonny and his drum.

By Maggie Duff

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A cumulative tale of a little boy, his drum, and the noise they make.

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.