Heidi Howarth Books

The littlest lighthouse keeper

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Henry the mouse is a big help to an old lighthouse keeper, but when the keeper disappears for a few days, Henry needs some help of his own.

The littlest lighthouse keeper to the rescue

By Heidi Howarth

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Henry, a mouse who lives in a lighthouse, seeks help from a puffin and other animal friends to find the mother of a very hungry baby seal who was separated from her mother during a storm.

How to catch a falling star

By Heidi Howarth

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As Bear watches for the last leaf of autumn to fall, he is joined by other animals who do not know why the leaf is so special to him.

Storytime

By Heidi Howarth, Virginie Zurcher

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Storytime

By Heidi Howarth, Daniel Daniel

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Otter Who Loved to Hold Hands

By Heidi Howarth, Daniel Howarth

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The Otter Who Loved To Hold Hands

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Little Hedgehog s big day

By Heidi Howarth

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Worried about the first day of school, Little Hedgehog tries to get bigger by bouncing, jumping, and stretching until his mother opens the family photo album and shows him all of the big things he...

Storytime

By Heidi Howarth, Daniel Howarth

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Littlest Lighthouse Keeper

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.