David Chelsea Books

Perspective in Action

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Using a fun and accessible graphic novel format, Perspective in Action features 33 easy-to-follow demonstrations to teach artists the major discoveries in perspective. Perspective is a fundame...

Perspective in Action

By David Chelsea

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Using a fun and accessible graphic novel format, Perspective in Action features 33 easy-to-follow demonstrations to teach artists the major discoveries in perspective. Perspective is a fundame...

Everybody Gets It Wrong And Other Stories

By David Chelsea, Philip Simon

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Snow Angel

By David Chelsea

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In Snow Angel, an ordinary but conscientious little girl becomes a crime-fighting cherub whenever she makes an angel in the snow! Snow Angel faces jaywalkers, bicycle thieves, menacing dogs, shopli...

Everybody Gets It Wrong! and Other Stories: David Chelsea's 24-Hour Comics Vol. 1

By Chelsea David

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Writer/artist David Chelsea's first six 24-Hour Comics are collected into one volume! Following rules devised by comics legend Scott McCloud, the acclaimed graphic novelist and commercial artist ha...

Sleepless and Other Stories: David Chelsea's 24-Hour Comics Volume 2

By David Chelsea

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Acclaimed illustrator and graphic novelist David Chelsea offers up six strange 24-hour comics in one deluxe hardcover volume! Strictly following rules devised by Scott McCloud (Understanding Comics...

Snow Angel

By David Chelsea

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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.