Greg Child Books

Over the Edge: The True Story of Four American Climbers' Kidnap and Escape in the Mountains of Central Asia

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"Before dawn on August 12, 2000, four of America's best young rock climbers, the oldest of them only twenty-five, were sleeping in their portaledges high on the Yellow Wall, in the Pamir-Alai mount...

Climbing Free

By Greg Child, Lynn Hill

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Climbing Free

By Greg Child, Lynn Hill

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Thin Air

By Greg Child

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Over the Edge

By Greg Child

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Over the Edge

By Greg Child

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Climbing

By Greg Child

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Climbing

By Greg Child

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Thin Air

By Greg Child

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Summit Vittorio Sella Mountaineer and Photographer

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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.

Greg Child Books

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?