John Farndon Books

All the core curriculum math topics in one super simple book - an accessible and indispensable guide for students, parents, and educatorsCovering topics from probability to statistics, algebra to g...

Simply Economics

By Shari Last, Dk, Philip Parker, John Farndon, DK Publishing, Peter Antonioni

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Understanding economics has never been easier! Want to learn more about Economics but simply don't know where to start? Don't worry - DK has got you covered! Simply Economics is the perfect intro...

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.