Steve Harpster Books

Drawing Super Cute Baby Animals Using Lowercase Letters

By Steve Harpster

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How to Draw The Haunted Creeps and Ghastly Ghouls of Spiderbite

By Steve Harpster

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Draw AlphaBeasts

By Steve Harpster

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Learn to draw more 130 imaginary creatures using letters and numbers as the starting point! From kooky monsters to silly ghouls and goofy aliens, you can draw any kind of crazy creature in just a f...

How to Draw Video Games

By Steve Harpster

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Gamers, get ready to level up with How to Draw Video Games!   From helpful sidekicks to 8-bit aliens and block-style beasts, the video game galaxy is an epic and endless world of battle-ready...

Pencil paper draw

By Steve Harpster

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Draw twenty-eight baby animals using these easy-to-follow instructions.

Pencil paper draw

By Steve Harpster

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Contains illustrations which instruct the user in a step-by-step manner how to draw twenty-eight kinds of dogs.

Flowers

By Steve Harpster

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Pencil Paper Draw R

By Steve Harpster

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Pencil Paper Draw R

By Steve Harpster

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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.