Mark Crilley Books

Mastering Manga with Mark Crilley

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It's THE book on manga from YouTube's most popular art instruction Guru!There's more to manga than big, shiny eyes and funky hair. In these action-packed pages, graphic novelist Mark Crilley shows...

Mark Crilley's Ultimate Book of Drawing Hands

By Mark Crilley

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Discover the simple secrets to drawing amazing hands, from popular YouTube instructor Mark CrilleyWhether you’re drawing superheroes, manga and anime characters, robots, highly detailed photo...

Akiko Vol. Two The Menace of Alia Rellapor Book Two All Ages Comic Book Issues 8 to 13

By Mark Crilley

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Akiko Volume 3 The Menace of Alia Rellapor Book 3 Akiko Sirius

By Mark Crilley

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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.