Mary Hughes Books

The calling

By Mary Gray Hughes

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Mothers and Education Inside Out

By Mary Hughes, Miriam David, Rosalind Edwards, Jane Ribbens

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Mothers and Education

By Miriam E. David, Mary Hughes, Rosalind Edwards, Jane Ribbens

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New Futures

By Mary Hughes, Mary Kennedy

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Jim Carrey

By Mary Hughes

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Describes the personal life and professional career of the comedian who has starred in such movies as "The Mask," "The Cable Guy," and "Batman Forever."

Popular superstitions

By Mary Hughes

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Explores twenty-five superstitions and how they may have started, including those about walking under a ladder, breaking a mirror, and opening an umbrella indoors.

Bodybuilding The Composite Guide

By Mary Hughes

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The Composite Guide to Body Building The Composite Guide

By Mary Hughes

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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.