Mary Johnson Books

An Unquenchable Thirst

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NAMED ONE OF THE BEST BOOKS OF THE YEAR BY KIRKUS REVIEWS“A candid, generous, and profound spiritual memoir that deserves a great deal of thoughtful discussion.”—Anne Rice At seventeen, Mary John...

Candidates Campaigns and Elections

By Mary Oates Johnson, Linda Scher

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Mary Johnson s Guide to Altering and Restyling Ready Made Clothes

By Mary Johnson

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Everything You Need to Know to Start a House Cleaning Service

By Mary Johnson

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The story of Mary Johnson's years as a Missionary of Charity working for Mother Teresa in service to the world's poor. It is a fascinating depiction of the daily struggle to live a life of religiou...

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.