Chris Alexander Books

"Provides step-by-step instructions for difficult origami models, including a cat, a lily, a crested bird, a lop-eared rabbit, a frog, a picture frame, and a speedboat"--Provided by publisher.

Star Wars Origami 2

By Chris Alexander

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Combining the mythic power of Star Wars with the fun of origami, here is everything you need to create a collection of characters, creatures, Jedi starfighters, and those very special objects––like...

Two Truths Two Justices

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.