Mark Frary Books

Freaky Science 1 500 Weird and Wonderful Scientific Facts
Math in your pocket
Math in your pocket

By Mark Frary

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Freaky future
Freaky future

By Mark Frary

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This is your very own pocket time machine, springing you headfirst into the not-so distant future. This compendium of futuristic forethought boldly strides into the realms of tomorrow, unleashing t...

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The Guide for Curious Minds
You Call This the Future
Better living through science
Better living through science

By Mark Frary

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If physics and chemistry class are only distant memories, you'll be surprised to learn that the fundamentals of science and math, when explained clearly, turn out to be incredibly helpful in daily...

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Aiming high
Aiming high

By Mark Frary

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How to Get A Sofa Around A Corner
De CIPHER
De CIPHER

By Mark Frary

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Les grands noms de la science

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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.

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