Helene Boudreau Books

Real Mermaids Don t Wear Toe Rings

By Helene Boudreau

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Real Mermaids Don t Hold Their Breath

By Helene Boudreau

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Real Mermaids Don't Hold Their Breath

By Helene Boudreau

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Real Mermaids Don't Wear Toe Rings

By Helene Boudreau

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Swimming

By Helene Boudreau

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Describes how swimmers use new technologies to achieve faster times. Explains how swimmers use high-tech body suits to overcome drag as they glide through the water, and how energy gels and sports...

Miraculous medicines

By Helene Boudreau

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Miraculous medicines

By Helene Boudreau

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Real Mermaids Don t Wear Toe Rings

By Helene Boudreau

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Real Mermaids Don t Need High Heels

By Helene Boudreau

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Swimming

By Helene Boudreau

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Introduces the science behind swimming.

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.