Hart Christopher. Books

Superheroes and beyond

By Hart Christopher.

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Manga for the Beginner Shoujo

By Christopher Hart

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The ultimate guide to creating the most popular form of manga--shoujo!If you’re reading this, you already love shoujo. But now you’ll be able to take the next step and actually write an...

Xtreme art

By Hart Christopher.

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How to draw fantasy characters

By Hart Christopher.

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Instructions for drawing fantasy characters, including mythological heroes, elves, fairy godmothers, and unicorns.

Kids draw dinosaurs

By Hart Christopher.

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Presents step-by-step instructions for drawing dinosaurs, covering general tips, details of specific kinds of dinosaurs, and different styles.

Anime mania

By Hart Christopher.

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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.