Andrew Leigh Books

THE PERFECT PRESENTATION PERFECT S.

By ANDREW LEIGH MICHAEL MAYNARD

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Perfect Communications

By MICHAEL MAYNARD ANDREW LEIGH

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Perfect Toolkit for Leaders Perfect Toolkit

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The Perfect Leader

By Andrew Leigh, Michael Maynard

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What's the Worst That Could Happen?

By Andrew Leigh

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Why catastrophic risks are more dangerous than you think, and how populism makes them worse.Did you know that you’re more likely to die from a catastrophe than in a car crash? The odds that a typic...

Randomistas: How Radical Researchers Are Changing Our World

By Andrew Leigh

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Randomized tests are carried out on us every day: by supermarkets, search engines, online dating sites and direct marketers. Political parties use randomized trials to win elections. But how do the...

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.