David Gantz Books

Inspector Gadget In Africa

By Sandra Beris, David Gantz

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While Traveling By Train Through Africa, Penny And Her Dog, Brain, Help A Bumbling Detective Catch An Enemy Agent.

Inspector Gadget In The Case Of The Mixed-Up Scientist

By Justine, KORMAN, Justine Korman, Jean Little, David Gantz

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24 unnumbered pages : 21 cm Penny and her dog, Brain, help a secret agent rescue a scientist kidnapped by a crime organization

Inspector Gadget In Africa

By Sandra Beris, David Gantz

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While Traveling By Train Through Africa, Penny And Her Dog, Brain, Help A Bumbling Detective Catch An Enemy Agent.

Inspector Gadget In The Case Of The Mixed-Up Scientist

By Justine Korman, Jean Little, David Gantz

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24 unnumbered pages : 21 cm Penny and her dog, Brain, help a secret agent rescue a scientist kidnapped by a crime organization

Smokey Bear Saves The Forest

By David L. Harrison, Kennon Graham, David Gantz

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Vintage children's book

The Romper Room Birthday Word Book

By Ann Stevens, David Gantz, Ann Stevens; Illustrated By David Gantz

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59 p. : 29 cm The Romper Room characters help to build vocabulary through the celebration of birthdays and other holidays throughout the year. Also includes a list of special days and interesting f...

The Mix Or Match Storybook: 2,097,152 Possible Story Combinations For You To Make Yourself

By J.L. Fox, David Gantz, P. Lippman

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Nuttier Knock-Knocks

By David Gantz, Karen Markoe, Karen Markoe & Louis Phillips

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63 p. : 21 cm A collection of more than 200 knock-knock jokes

Ms Agatha In Gone Fishing (An Activity Sticker Storybook)

By David Gantz

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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.