Sir John Hargrave Books

Prank the Monkey

By Sir John Hargrave

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At Suvla Bay Dodo Press

By Hargrave John

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To be unstoppable, you keep going when everyone else is giving up; you thrive under pressure; you never let your emotions make you weak. Grover details the essential traits shared by the most inten...

Mind Hacking

By Sir John Hargrave

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Rich dad poor dad

By Robert T. Kiyosaki

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Taking to heart the message that the poor and middle class work for money, but the rich have money work for them, the author lays out a financial philosophy based on the principle that income-gener...

The Subtle Art of Not Giving a F ck: A Counterintuitive Approach to Living a Good Life

By Mark Manson

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Sir John Hargrave s Mischief Maker s Manual

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M3

By John Hargrave

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Smarter Faster Better

By Charles Duhigg

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NEW YORK TIMES BESTSELLER • The author of The Power of Habit and Supercommunicators and “master of the life hack” (GQ) explores the fascinating science of productivity&#1...

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.