William Potter Books

Drawing dangerous villains

Average: 0.00, 0 Ratings

What makes a villain truly vile? Threatening postures, creepy color schemes, and dastardly weapons are a good place to start creating bad people! This ultimate guide teaches readers how to craft th...

Drawing mystical heroes

By William Potter

Average: 0.00, 0 Ratings

Magical amulets, supernatural powers, mind-altering abilities the world of mystical heroes is full of bewitching possibilities. This ultimate guide introduces readers to a tantalizing array of my...

Drawing urban heroes

By William Potter

Average: 0.00, 0 Ratings

Superpowers aren t the only way to save the day in the urban jungle. This ultimate guide takes readers back to the basics of beating the bad guys with martial arts and hand-to-hand combat! Characte...

Drawing cosmic heroes

By William Potter

Average: 0.00, 0 Ratings

When intergalactic evil strikes, heroic astronauts, aliens, and robots spring into action! This ultimate guide shows readers how to create bizarre extraterrestrial life-forms, design amazing robots...

Scary Mazes

Average: 0.00, 0 Ratings

Scary Mazes

Average: 0.00, 0 Ratings

Haley Comet and the Calculon Crisis

By Rayanne Vieira, William C Potter

Average: 0.00, 0 Ratings

The Ultimate Guide to Creating Comics

By Potter William Calle Juan

Average: 0.00, 0 Ratings

The Ultimate Guide to Creating Comics

By Potter William Calle Juan

Average: 0.00, 0 Ratings

Drawing Lab

Average: 0.00, 0 Ratings

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.