Barry LeBrock Books

The Trojan Ten: The Ten Thrilling Victories That Changed The Course Of USC Football History

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An up-close look at the ten most monumental games in Trojan history-and the legendary team that set the standard for football dominance The University of Southern California's storied Trojan team h...

The Front Nine: Golf'S 9 All-Time Greatest Shots

By Barry LeBrock

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The most famous shot in golf history—from Gene Sarazen's double eagle, which led to victory at the 1935 Masters to Tom Watson's nearly impossible chip shot in the 1982 U.S. Open—the greatest and mo...

Front Nine

By Barry LeBrock

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Front Nine

By Barry LeBrock

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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.