Helene Henderson Books

Do One Thing Every Day That Inspires You

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Stretch the boundaries of your creativity with daily doses of wisdom and encouragement in this quirky 365-day journal. Every day is an opportunity to engage your persistence, patience, imagination,...

Holidays and festivals index

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Holidays, Festivals, and Celebrations' of the World Dictionary

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xlvii, 822 p. ; 29 cm

Domestic Violence and Child Abuse Sourcebook

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Ethical Issues in Medicine Sourcebook

By Helene Henderson, H. Henderson

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Poets Biographical Index

By Helene Henderson

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Holidays, festivals, and celebrations of the world dictionary

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"Contains information about nearly 2,500 holidays, festivals, holy days, feasts and fasts, and other observances, including popular, secular, and religious celebrations for more than 100 countries...

Patriotic Holidays of the United States

By Helene Henderson

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The Abraham Lincoln Companion

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"Contains over 100 primary source selections including essays, proclamations, letters, eulogies, poems, and songs to illustrate Abraham Lincoln's life, presidency, and legacy. Features include a ch...

Holidays Festivals and Celebrations of the World Dictionary

By Helene Henderson

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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.