Thomas Sancton Books

"Was the world's wealthiest woman--Liliane Bettencourt--heir to an estimated thirty-six-billion-dollar L'Oreal fortune, the victim of a con man? Or were her own family the real villains? This rivet...

The Bettencourt Affair

By Tom Sancton

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An NPR Best Book of 2017Heiress to the nearly forty-billion-dollar L’Oréal fortune, Liliane Bettencourt was the world’s richest woman and the fourteenth wealthiest person. But he...

The Bettencourt affair

By Thomas Sancton

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Song for my fathers

By Tommy Sancton

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The Armageddon Project

By Tom Sancton

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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.