Helen Friel Books

Midnight creatures

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Come on a midnight adventure...Switch off the lights. Open this book about a foot away from a wall. Shine your flashlight through each scene to discover the hidden animals.--Cover.

Laberintos de la Odisea

By Jesus Sotes Vicente, Jan Friel, Helen Friel

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Laberints de l Odissea

By Jesus Sotes Vicente, Jan Friel, Helen Friel

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Join William the hippo and friends in an interactive adventure puzzle book. Help them solve the mystery and save the exhibition!William the hippo and his friends live on 5th Avenue, New York, insid...

Midnight Creatures A Pop Up Shadow Search Book

By Helen Friel

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Midnight Monsters

By Helen Friel

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Midnight Monsters

By Helen Friel

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Hoakes Island

By Helen Friel

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Hoakes Island

By Ian Friel, Helen Friel

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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.