L. Jon Wertheim Books

Venus Envy: A Sensational Season Inside the Women's Tennis Tour

By L. Jon Wertheim

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Venus Envy: Power Games, Teenage Vixens, and Million-Dollar Egos on the Women's Tennis Tour

By L. Jon Wertheim

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You Can t Make This Up CD

By L. Jon Wertheim, Al Michaels

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You Can't Make This Up Low Price CD: Miracles, Memories, and the Perfect Marriage of Sports and Television

By L. Jon Wertheim, Al Michaels

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The rookie bookie

By L. Jon Wertheim

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"When seventh-grader Mitch Sloan moves to Jonasburg, Indiana, he uses his exceptional skills in math, money, and sports statistics to make friends--but gets in over his head when he starts a footba...

Scorecasting: The Hidden Influences Behind How Sports Are Played and Games Are Won

By Tobias J. Moskowitz

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Transition Game

By L. Jon Wertheim

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The rookie bookie

By L. Jon Wertheim

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"When seventh-grader Mitch Sloan moves to Jonasburg, Indiana, he uses his exceptional skills in math, money, and sports statistics to make friends--but get in over his head when he starts a footbal...

Strokes of genius

By L. Jon Wertheim

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In the 2008 Wimbledon men's final, Centre Court was a stage set worthy of Shakespearean drama. Five-time champion Roger Federer was on track to take his rightful place as the most dominant player i...

This Is Your Brain on Sports

By L. Jon Wertheim, Sam Sommers

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This is Your Brain on Sports is the book for sports fans searching for a deeper understanding of the games they watch and the people who play them. Sports Illustrated executive editor and bestsell...

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.