Keith R. Potter Books

Count us in

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Photographs and drawings of animals introduce the numbers one to ten as well as names of animal groups such as pod of whales and pride of lions.

Doodlezoo 5 Those That Float

By Leom Jana, Keith R. Potter, Jana Leo

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Animals photographed in the water include emperor penguins, flamingos, wild boars, and loons.

Doodlezoo 6 Untitled Nov Bk Doodlezoo

By Jana Leo

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Seven weeks on an iceberg

By Keith R. Potter

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Over the course of seven weeks, examines the activities of a group of penguins in Antarctica.

Cat nap

By Keith R. Potter

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Discusses and compares the habitats and behavior of three of the big cats: cheetahs, lions, and tigers

Cat Nap Readers Guide

By Keith R. Potter

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Shake Rattle and Roll Doodlezoo

By Keith R. Potter, Ken Potter Keith Fulk

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Simple text and pictures of animals introduce such action words as "scratch," "dig," and "run."

This and that

By Keith R. Potter

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Photographs and child-like drawings of different animals illustrate pairs of antonyms.

Seven weeks on an iceberg

By Keith R. Potter

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Over the course of seven weeks, examines the activities of a group of penguins in Antarctica.

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.