Dick Gackenbach Books

Dog for a day

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After transforming a football into a toaster and a cat into a canary, Sydney's new invention creates unexpected problems by changing Sydney into his dog and his dog into Sydney.

Poppy the Panda

By Dick Gackenbach

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Harvey, the foolish pig

By Dick Gackenbach

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A poor pig goes on a journey to ask the Great King for wealth but fails to recognize the riches offered to him along the way.

Claude the Dog

By Dick Gackenbach

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Binky gets a car

By Dick Gackenbach

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When Binky gets his first fast-pedaling car, he ignores the rules of the road and learns painfully that to be a driver, one must watch where he is going.

Harry and the Terrible Whatzit

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CLAUDE AND PEPPER RNF

By Dick Gackenbach

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DO YOU LOVE ME RNF

By Dick Gackenbach

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Harry and the Terrible Whatzit

By Dick Gackenbach

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Leatherman

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.