Hans Wilhelm Books

Flame Hardening

By Hans Wilhelm Grvnegress

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Tales from the land under my table

By Hans Wilhelm

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Four tales concerning a greedy giant and a clever stranger, a grouchy king and his mouse jester, a war between cabbages and cucumbers, and a bird who wishes to be more colorful.

Don't give up, Josephine!

By Hans Wilhelm

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Josephine, a young penguin, is discouraged by her lack of success in school, but discovers that it is better to keep trying than to give up.

Waldo and the desert island adventure

By Hans Wilhelm

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Michael and his dog Waldo, walking along a rainy beach, pool their imaginations to share a possible adventure involving a band of pirates and several monsters.

Totally bored Boris A Merritales book

By Hans Wilhelm

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Tales from the land under my table

By Hans Wilhelm

Average: 0.00, 0 Ratings

Four tales concerning a greedy giant and a clever stranger, a grouchy king and his mouse jester, a war between cabbages and cucumbers, and a bird who wishes to be more colorful.

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.