Heidi Howarth Books

The otter who loved to hold hands

By Heidi Howarth

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The littlest lighthouse keeper

By Heidi Howarth

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Henry loves living by the ocean and helping to look after the lighthouse. But what will happen when the lighthouse keeper goes out? Will Henry and his new friends be able to save the day.

Que Me Hace Valiente

By Heidi Howarth, Daniel Howarth

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Que Me Da Miedo What Makes Me Scared Av2 How I Feel English and Spanish Edition

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What Makes Me Sad

By Heidi Howarth, Daniel Howarth

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How to Catch A Falling Star PB 10 Book Bag

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Storytime

By Heidi Howarth

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How to Catch a Falling Star

By Heidi Howarth

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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.