Marcus Weeks Books

Science

By David Hughes, Jack Challoner, Giles Sparrow, Carole Stott, Robert Dinwiddie, Marcus Weeks, David Burnie, Adam Hart Davis

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World History Biographies Mozart

By Marcus Weeks

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World History Biographies Mozart

By Marcus Weeks

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World History Biographies: Mozart

By Marcus Weeks

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At 5 years old, he composed a minuet. By six, he was performing for royalty. The compelling story of Wolfgang Amadeus Mozart is a timeless tale of musical genius, its rewards, and its pitfalls. Aut...

Heads up psychology

By Marcus Weeks

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An introduction to psychology surveys the ideas of over sixty famous psychologists, discussing topics ranging from psychoanalysis and intelligence to groundbreaking experiments and mental disorders.

Heads up philosophy

By Marcus Weeks

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Demystifies complex philosophical ideas and debates in a comprehensive format that introduces the major theories of such great philosophers as Socrates, Aristotle, Plato, Friedrich Nietzsche, Epicu...

Music

By Marcus Weeks

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Hotel hobbies

By Marcus Weeks

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Office Pastimes

By Marcus Weeks

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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.