Janni Howker Books

Badger on the Barge and Other Stories

By Janni Howker

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Walk with a wolf

By Janni Howker

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After a lone hungry wolf finds companions whose combined strength drags down an old moose, the entire pack sleeps through a blizzard and dreams of the return of spring.

Walk with a Wolf

By Janni Howker Illustrated By Sarah Fox Davies

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With evocative watercolors by Sarah Fox-Davies, Walk with a Wolf is as full of beauty and drama as it is of facts about this mysterious and often maligned creature.Walk with a wolf . . . as she hun...

The Nature of the Beast Audio Cassettes

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Isaac Campion

By Janni Howker

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Badger on the barge

By Janni Howker

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The nature of the beast

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.