John Ritter Books

Desperado Who Stole Baseball

By John Ritter, John H. Ritter

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Under The Baseball Moon

By John Ritter, John H. Ritter

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Andy Ramos, a free-style skateboarding trumpeter, has dreams as big as a baseball moon. Born into a family of musicians, Andy wants to take his unique fusion of Latin jazz, rock, and hip-hop straig...

The Brat Pack: 11-14 Year Olds - How Do You Treat Yours?

By John Ritter, John H. Ritter, Sue Ritter

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Kids' Claim To Fame

By John Ritter, John H. Ritter, Sue Ritter

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Choosing Up Sides

By John Ritter, John H. Ritter

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When preacher's boy Luke Bledsoe steps on a baseball field, he discovers he has real pitching talent. For once, he can be proud of being left-handed. But Reverend Bledsoe believes that the left sid...

Over The Wall

By John Ritter, John H. Ritter

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Tyler's temper is out of control. If he isn't careful, he'll blow his chances of making the All-Star team and being noticed by a scout. But Tyler's coach, a Vietnam War veteran, has seen anger des...

Dave Barry'S Funniest Stuff

By John Ritter, Dave Barry, John H. Ritter

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Keep In Step

By John Ritter, Sue Ritter

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125 pages

Saturday Nights With Daddy At The Opry

By John Ritter, Tom Ritter, Les Leverett, Libby Leverett-Crew

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The daughter of the Grand Ole Opry's official photographer reminisces about witnessing country music history alongside her father in this memoir.Like many little girls, Libby Leverett-Crew's father...

A Trace Element

By John Ritter, John H. Ritter

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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.