Jerry Pournelle Books

“The first satisfying end-of-the-world novel in years . . . an ultimate one . . . massively entertaining.”—Cleveland Plain-DealerThe gigantic comet had slammed into Earth, forging earthquakes a tho...

Lucifer s hammer

By Jerry Pournelle, Larry Niven

Average: 0.00, 0 Ratings

Black holes and other marvels

By Jerry Pournelle

Average: 0.00, 0 Ratings

2020 Vision

By Larry Niven

Average: 0.00, 0 Ratings

The Survival of Freedom

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.