David Oliver Relin Books

This young readers edition of the worldwide bestseller Three Cups of Tea has been specially adapted for younger readers and updated by Greg Mortenson to bring his remarkable story of humanitarianis...

Second suns

By David Oliver Relin

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Documents the inspiring story of a partnership between an American and Nepali doctor to provide eyesight-saving treatments to tens of thousands of patients through their Himalayan Cataract Project.

Three Cups of Tea

By Sarah L. Thomson

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Three Cups of Tea

By Sarah L. Thomson

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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.