Lindsey Fallow Books

Head first 2D geometry

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Presents the basic principles of planar geometry in easy-to-understand terms, including information on polygons, triangle properties, and the Pythagorean Theorem. --

Head First 3D Geometry

By Lindsey Fallow, Dawn Griffiths

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Head First Geometry

By Lindsey Fallow, Dawn Griffiths

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Head First 2D Geometry

By Stray Lindsey Fallow, Dawn Griffiths

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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.