Jack Kavanagh Books

Grover Cleveland Alexander

By Jack Kavanagh

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Dizzy Dean

By Jack Kavanagh

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Follows the life of the man who, in his prime, led major league baseball in wins, strikeouts, complete games, and innings pitched and moved on to a broadcasting career after his retirement as a pla...

Rogers Hornsby

By Jack Kavanagh

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Follows the life and career of Baseball Hall of Fame hitter Rogers Hornsby.

Walter Johnson

By Jack Kavanagh

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A biography of the Hall of Fame baseball player who was deemed the greatest pitcher of his era.

Honus Wagner

By Jack Kavanagh

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A biography of the Pittsburgh Pirates shortstop who was one of the greatest hitters and fielders in baseball history.

Grover Cleveland Alexander

By Jack Kavanagh

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Follows the life of the talented baseball pitcher from its beginning to the sunset years.

Dizzy Dean

By Jack Kavanagh

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Walter Johnson

By Jack Kavanagh

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A biography of the Hall of Fame baseball player who was deemed the greatest pitcher of his era.

Honus Wagner

By Jack Kavanagh

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A biography of the Pittsburgh Pirates shortstop who was one of the greatest hitters and fielders in baseball history.

Robert E. Lee

By Jack Kavanagh

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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.