Janni Howker Books

Badger on the Barge and Other Stories

By Janni Howker

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Walk with a Wolf

By Janni Howker, Sarah Fox Davies

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Walk with a Wolf

By Janni Howker, Sarah Fox Davies

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Walk with a Wolf with Audio Read Listen Wonder

By Janni Howker

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Walk with a Wolf

By Janni Howker, Sarah Fox Davies

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A journey to the wild north Yukon territory of northwestern Canada to meet one of the world's most magnificent, yet misunderstood, creatures: the wolf. There are many stories and myths about wolves...

Walk with a wolf

By Janni Howker

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Topiary Garden

By Anthony Browne, Janni Howker

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Isaac Campion

By Janni Howker

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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.