John McEnroe Books

But seriously

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The controversial tennis star and analyst presents a follow-up to "You Cannot Be Serious" that shares additional insights into his life and career while chronicling the past decade of Tour of Champ...

But Seriously

By John McEnroe

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Serious

By John McEnroe

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You cannot be serious

By John McEnroe, John Kaplan

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The author describes his rise to success in the world of professional tennis, his controversial on-court behavior, his marriages to actress Tatum O'Neal and pop star Patty Smyth, and his current ro...

You Cannot Be Serious

By John Kaplan James McEnroe

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You Cannot Be Serious

By James Kaplan, John McEnroe

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Serious

By John McEnroe

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Richard Diebenkorn

By Barnaby Conrad III, Richard Diebenkorn, Jane Livingston

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But Seriously

By John McEnroe

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But Seriously Lib E

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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.