McCallum Jack Books

Golden Days

By Jack McCallum, West, Jerry, McCallum Jack

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"The bestselling author of Dream Team tells the interconnected stories of the NBA champion Golden State Warriors and the early-1970s Los Angeles Lakers, two extraordinary teams playing in extraordi...

Golden Days

By West, Jerry, Jack McCallum, McCallum Jack

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Seven Seconds or Less

By Jack McCallum

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Dream team

By Lisa Ard

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When Patrick's voice begins to change, he declares, disaster! But one magnificent dream will introduce Patrick to some real-life heroes, who faced far greater adversity. Patrick discovers that his...

Dream team

By Jack McCallum

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"They were the Beatles of basketball, the Mercury Seven in sneakers. In Dream Team, acclaimed sports journalist Jack McCallum delivers the untold story of the greatest team ever assembled: the 199...

Dream Team

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NEW YORK TIMES BESTSELLER Acclaimed sports journalist Jack McCallum delivers the untold story of the greatest team ever assembled: the 1992 U.S. Olympic Men’s Basketball Team. As a writer for S...

Seven Seconds or Less

By Jack McCallum

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Prostate Monologues

By Jack McCallum

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Dream Team

By McCallum Jack

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Golden Days

By Jack McCallum, West, Jerry, McCallum Jack

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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.