John Pearson Books

The Profession of Violence: The Rise and Fall of the Kray Twins

By John Pearson

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Blood Royal: The Story of the Spencers and the Royals

By John Pearson

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The Profession of Violence: The Rise and Fall of the Kray Twins

By Pearson John

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"Reggie and Ronnie Kray ruled London?s gangland during the 60s with a ruthlessness and viciousness that shocks even now. Building an empire of organised crime that has never been matched, the broth...

All the money in the world

By Pearson John

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The story of J. Paul Getty and how his enormous wealth, $4 billion divided between nineteen heirs, wreaked havoc with the lives of his family. "When sixteen-year-old Paul Getty was kidnapped, the...

ALL THE MONEY IN THE WORLD PB

By John Pearson

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All the money in the world

By Pearson John

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The story of J. Paul Getty and how his enormous wealth, $4 billion divided between nineteen heirs, wreaked havoc with the lives of his family. "When sixteen-year-old Paul Getty was kidnapped, the...

All the money in the world

By Pearson John

Average: 0.00, 0 Ratings

The story of J. Paul Getty and how his enormous wealth, $4 billion divided between nineteen heirs, wreaked havoc with the lives of his family. "When sixteen-year-old Paul Getty was kidnapped, the...

The serpent and the Stag: The Saga of England's Powerful and Glamourous Cavendish Family from the Age of Henry the Eighth to the Present

By Pearson John

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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.