Josh Gregory Books

Koalas

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With their furry bodies and round heads, koalas are often mistaken for bears. However, these fascinating animals are actually marsupials. Readers will find out how koalas spend their time eating eu...

Meerkats

By Josh Gregory

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With their playful, active behavior, meerkats can be a lot of fun to watch. Readers will learn all about these animals' amazing social lives, from how they work together to raise their young to how...

Monarch butterflies

By Josh Gregory

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"This book details the life and habits of monarch butterflies"--

Vultures

By Josh Gregory

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Because they are willing to eat anything from carrion to garbage, vultures are often called "nature's cleanup crew." Readers will find out what features allow these amazing birds to eat food that w...

If You Were a Kid

By Josh Gregory, Wil Mara

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Hippopotamuses

By Josh Gregory

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Among the largest land mammals on Earth, hippopotamuses can be a truly fearsome sight to behold. Readers will discover how these animals use their enormous mouths to wrestle rivals and defend their...

Rabbits

By Josh Gregory

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Red pandas

By Josh Gregory

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Rare and beautiful, red pandas can usually be seen dashing through the treetops in the forests of the Himalayas. Readers will discover what these furry animals eat, how they spend their days, and w...

World War I

By Josh Gregory

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Describes the history, battles, and major players of the first world war.

If You Were a Kid Aboard the Titanic

By Josh Gregory

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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.