Gary Drevitch Books

Baseball

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Asks and answers the questions about baseball that kids ask the most, such as which pitcher won the most games?, What's a stolen base?, Who are the greatest hitters of all time?, and What were the...

Baseball Q A

By Gary Drevitch

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Presidents FYI

By Gary Drevitch

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Presidents FYI

By Gary Drevitch

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Asia (A True Book: Continents) (Library Edition)

By Gary Drevitch

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As the largest and most populous continent on Earth, Asia is remarkably rich in history and culture.A True Book: Geography series dives into the many components that make each continent distin...

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.