George E. Sullivan Books

Better Baseball for Boys

By George Sullivan

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Famous Navy Fighter Planes

By George Sullivan

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Baseball Kids: 2

By George Sullivan

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Profiles twelve boys, ages eleven to thirteen, who play baseball, revealing their likes and dislikes, favorite plays, and individual views of the game.

Here Come the Monster Trucks

By George Sullivan

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Narrates the short history of monster trucks--ordinary pickup trucks on four enormous tires--which can be used to crush cars, race, jump cars, and engage in mud bog competition.

Mr. President

By George Sullivan, Scholastic Books

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In Their Own Words

By George Sullivan

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Mikhail Gorbachev

By George Sullivan

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A biography of the Soviet leader, emphasizing his rise to power and his role in forming the present openness of the Soviet Union to the West.

Sluggers

By George Sullivan

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Profiles twenty-seven of the greatest sluggers of all time. Includes Sam Crawford, Joe DiMaggio, Reggie Jackson, and Jose Canseco.

Complete Guide to Softball

By George E. Sullivan

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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.