Gaines Post Books

Papacy and the Rise of the Universities

By William J. Courtenay, Gaines Post

Average: 0.00, 0 Ratings

Blue Bug, Red Road

By Gaines Post, Gaines Post Jr.

Average: 0.00, 0 Ratings

"This wonderful narrative by a retired history professor takes us back through the time and space of his ancestors and his own youth. Weaving between present and past, it offers a unique blend of n...

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.