Dennis R. Shealy Books

Fly caps

By Dennis R. Shealy

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Oh, Nose!

By Dennis R. Shealy

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T. rex trouble!

By Dennis R. Shealy

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Join Superman, Batman, Green Lantern, and the rest of the DC Super Friends as they fly off on a new adventure in this Step into Reading leveled reader for boys ages 4-6. When evil Lex Luthor takes...

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.

Dinosaurs alive

By Dennis R. Shealy, Dennis Shealy

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Discusses the evolutionary link between dinosaurs and birds.

Dinosaurs Alive

By Dennis R. Shealy

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Rudolph, the Red-Nosed Reindeer

By Dennis R. Shealy, Random House

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Shunned by the other reindeer because of his red nose, Rudolph becomes a hero when he guides Santa's sleigh through a blinding blizzard, and Christmas morning is saved for boys and girls all over t...

I'm a Truck

By Dennis Shealy

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The bestselling Little Golden Book all about trucks! It’s not just a truck – it’s a MONSTER TRUCK – and preschoolers are going to love it! Featuring the bright and bold artwork of award-winning i...

Dare the Day Step into Reading

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.