James Stewart Thayer Books

Essential Guide to Writing a Novel

By James Thayer

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White Star

By James S Thayer

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Man of the century

By James Stewart Thayer

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"I am the spy of the century," said Woodrow Lowe, age 108, to his interviewer. "I was also a white slave, a heavyweight contender, the ruler of China [until the Dowager Empress cruelly deposed him]...

Terminal event

By James Stewart Thayer

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Hess Cross

By James Stewart Thayer

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Terminal Event

By James Stewart Thayer

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Terminal Event

By James Stewart Thayer

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Force 12

By James Stewart Thayer

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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.