Jan Wahl Books

Frankenstein's Dog

By Jan Wahl

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A dog's eye view of his master and his master's monster.

More room for the Pipkins

By Jan Wahl

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The Pipkins decide that they all need space in their house apart from everyone else to pursue and enjoy their individual hobbies and interests.

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.

Jan Wahl Books

The Howards Go Sledding

Pleasant Fieldmouse

Pleasant Fieldmouse

Grandmother Told Me.

Frankenstein's dog

Dracula's Cat

Dracula's Cat

Frankenstein's Dog

Grandpa Gus's Birthday Cake

More room for the Pipkins

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

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