Chris Alexander Books

Star Wars Origami

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The power of the Force meets the joy of origami. Here is everything you need to create a galaxy of Star Wars characters, ships, droids, and weapons. The ingenious models are created by Chris Alexan...

Star Wars Origami

By Chris Alexander

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Star Wars Origami 11 Paper folding Projects from a Galaxy Far Far Away

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Star Wars origami spacecraft

By Chris Alexander

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Everything you need to create a galaxy of Star Wars spacecrafts, and more.

Creating Extraordinary Joy

By Chris Alexander

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Creating Extraordinary Joy

By Chris Alexander

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Joy in the Workplace

By Chris Alexander

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Synergy Team Power

By Chris Alexander

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The Phenomenon of Life

By Chris Alexander, Christopher Alexander

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The Process of Creating Life

By Chris Alexander

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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.