David Sandison Books

A biography of the actress who had driven herself through ten years of bit parts and often demeaning roles before arriving at the pinnacle of Hollywood superstardom.

Ernest Hemingway

By David Sandison

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Hemingway was not only one of the most influential writers of the century - he was also an ambulance driver in World War I; a journalist covering the Spanish Civil War; a big-game hunter and deep-s...

Jack Kerouac

By David Sandison

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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.