Robyn Chapman Books

True Porn Volume 2 True Porn

By Robin Bougie, Kevin Colden, Robyn Chapman, Rina Ayuyang, Chester Brown, Others

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Drawing comics lab

By Robyn Chapman

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"Do you dream of becoming a comic artist? Drawing Comics Lab covers all of the basic steps necessary to produce a comic, from the first doodle to the finished publication. This easy-to-follow book...

Drawing Comics Lab

By Robyn Chapman

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American Cult

By Robyn Chapman

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American Cult

By Robyn Chapman

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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.