Pat Ryan Books

Recounts some of the highlights in the history of the America's Cup yachting competition, from its beginning in 1851 through the 1987 victory of Dennis Conner.

The heavyweight championship

By Ryan Patrick

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Describes significant moments in the history of the heavyweight boxing championship.

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.

Pat Ryan Books

Kayaking Extreme Sports

Rock Climbing Extreme Sports

Triathlon Extreme Sports

Extreme Snowboarding Extreme Sports

Sky Surfing Extreme Sports

Extreme Sports

New York Jets

Lent Begins at Home

The America's Cup

The heavyweight championship

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