Charles Cumming Books

The Trinity Six

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Europe is still littered with the darkest secrets of the Cold War. And the most deadly revelation of them all is about to be made! Hard-up Russia expert Dr Sam Gaddis finally has a lead for a book...

The Trinity Six

By Charles Cumming

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Europe is still littered with the darkest secrets of the Cold War. And the most deadly revelation of them all is about to be made! Hard-up Russia expert Dr Sam Gaddis finally has a lead for a book...

The Spanish Game

By Charles Cumming

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A Divided Spy: A gripping espionage thriller from the master of the modern spy novel

By Charles Cumming

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A Spy by Nature: A Novel

By Charles Cumming

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Young, smart, and ambitious, Alec Milius is delighted when a chance encounter brings him to the attention of MI6 and into a dream career with a British oil company, a job that leads him into the da...

SPY BY NATURE

By Charles Cumming

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The hidden man

By Charles Cumming

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"Christopher Keen, once a master spy, is murdered in cold blood. His sons Mark and Benjamin, though they hadn't seen their father for over twenty years, are now drawn into the legacy of his life as...

The Spanish Game: A Novel

By Charles Cumming

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SPANISH GAME

By Charles Cumming

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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.