Doug Petrie Books

Buffy the Vampire Slayer Vol. 5

By Joe Pimente, Doug Petrie, Cliff Richards, Andi Watson

Average: 0.00, 0 Ratings

Food Chain Buffy the Vampire Slayer

By Doug Petrie, Nancy Holder, Christian Zanie, Cliff Richards

Average: 0.00, 0 Ratings

What s Michael Show Time.

By Makoto Koboyashi, Makoto Kobayashi

Average: 0.00, 0 Ratings

From the upsides of leftovers and air conditioning to the downsides of litter boxes and neutering, this series has been described as "Japan's version of Garfield, Heathcliff, and Krazy Kat all roll...

Star Wars Legends Epic Collection

By John Ostrander, Doug Petrie, Marvel Comics, Pat Mills

Average: 0.00, 0 Ratings

Buffy The Vampire Slayer

Average: 0.00, 0 Ratings

Buffy Omnibus

By Doug Petrie, Daniel Brereton, Cliff Richards, Christopher Golden, Andi Watson

Average: 0.00, 0 Ratings

Predators and Prey

Average: 0.00, 0 Ratings

Once upon a Time at the End of the World 1

By Alexandre Tefenkgi, Jason Aaron

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.