Mary Hadley Books

Snow White and Rose Red Penguin Young Readers Level 2

By John Lupton, Mary Hadley

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The Wizard of Oz

By Mary Hadley, L. Frank Baum

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"The detective fiction of British female authors differs interestingly from that of their American sister scribes. The British women detective characters who have become familiar to American audien...

Cinder and Mr. B

By Mary Hadley

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Penguin Young Readers 2

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British Women Mystery Writers

By Mary Hadley

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Minette Walters and the meaning of justice

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"Minette Walters is known for revitalizing the tradition of the stand-alone psychological thriller. This book offers an in-depth analysis of Walters' narrative technique and examines major themes f...

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.