Dick Gackenbach Books

Claude the Dog

By Dick Gackenbach

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Annie and the Mud Monster

By Dick Gackenbach

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Annie goes to a costume party dressed as a potato, but something is not quite right with her costume. Then a Mud Monster helps her out with her problem.

Annie and the Mud Monster

By Dick Gackenbach

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Annie goes to a costume party dressed as a potato, but something is not quite right with her costume. Then a Mud Monster helps her out with her problem.

Jack and the whoopee wind

By Jean Little

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Mad at the wind for blowing everything away, Jack tries a succession of ways to stop it.

Jack and the whoopee wind

By Jean Little

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Mad at the wind for blowing everything away, Jack tries a succession of ways to stop it.

The wonderful hay tumble

By Kathleen McKinley Harris

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A Vermont farmer finishes his chores quickly with the help of a rolling pile of hay.

What's in a map?

By Sally Cartwright

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An introduction to maps and mapmaking that discusses a feeling map, a pretend map, and a block map.

A bag full of pups

By Dick Gackenbach

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Mighty Tree

By Dick Gackenbach

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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.