Dennis Shealy Books

Dinosaurs alive

By Dennis R. Shealy, Dennis Shealy

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Discusses the evolutionary link between dinosaurs and birds.

Please and Thank You God Padded Board Book

By Dennis Shealy

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Dinosaurs Alive Jurassic Park TM Institute Step Into Reading Step 5

By Dennis Shealy

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The might of doom

By Dennis R. Shealy

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A story featuring the intrepid Iron Man finds him matching wits with the villainous genius Dr. Doom in an adaptation of an episode from the popular animated television series.

Shark Tale

By Dennis Shealy

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I m a monster truck

By Dennis Shealy

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It's not just a truck. . . . It's a MONSTER TRUCK! In this high-octane board book, truck fans everywhere can start their engines and ride along with Mudenstein and his mammoth machine friends for a...

T. Rex Trouble Turtleback School Library Binding Edition Dc Super Friends Step into Reading Step 2

By Dennis Shealy

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The Might of Doom

By Dennis Shealy

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The good, the bad, and the robotic

By Dennis R. Shealy

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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.