Andy Collins Books

Complete Warrior provides Dungeons & Dragons players with an in-depth look at combat and provides detailed information on how to prepare a character for confrontation. This title was not only compi...

Draconomicon

By Andy Collins, Skip Williams, James Wyatt

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This title takes a comprehensive look at the dragons of the D&D¨ world from a variety of perspectives. It includes information on playing dragons and dragon-like creatures, how to run a dragon in a...

Unearthed Arcana Dungeons Dragons d20 3.5 Fantasy Roleplaying

By Andy Collins, Rich Redman, David Noonan, Jesse Decker

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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.