Larry Johnson Books

The Deadly Mandrake

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As the situation in the country town of Four Corners grows steadily worse, it becomes obvious that a deadly mandrake is growing somewhere in the vicinity casting an evil spell on the town. Sequel t...

Soccer Halfback

By Matt Christopher

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A young boy is pressured by his family to abandon his promising soccer career for football.

The Submarine Pitch

By Matt Christopher

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When he learns why his best friend taught him an unbeatable pitch instead of using it himself, Bernie learns a sad lesson about friendship.

Football Fugitive

By Matt Christopher

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Representing a pro football player whom his son admires brings a lawyer closer to his young son.

The Diamond Champs

By Matt Christopher

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An aura of intrigue surrounds a baseball coach obsessed with the idea of turning a bunch of handpicked beginners into champions in one season.

The Fox Steals Home

By Matt Christopher

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Already troubled by his parent's divorce, Bobby Canfield is further distressed when he learns that his father, who has coached him in running bases, intends to move away.

My Life by Harold

By Larry Johnson

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UC David Gets His Drum

By Larry Johnson, Robert Reiser, David Francis

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Cw 2

By Larry Johnson

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Los Fantasmas del Everest

By Eric R. Simonson, Larry Johnson, Jochen Hemmleb

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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.