Harold Jaffe Books

With his unerring ear for dialogue, transgressive high style, deadpan comedy, and narrative velocity, Harold Jaffe elaborates his harsh millenarian prophecy while mocking it in a satire as fierce a...

Jesus Coyote

By Harold Jaffe

Average: 0.00, 0 Ratings

Building on the mayhem generated by the controversial but critically acclaimed 15 Serial Killers, Jesus Coyote goes still further. Jaffe's "docufictional" novel based on the Manson murders proves t...

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.