Geoffrey Perret Books

Not since Bruce Catton has there been such an absorbing and exciting biography of Ulysses S. Grant. “Grant is a mystery to me,” said William Tecumseh Sherman, “and I believe he is a mystery to hims...

Eisenhower

By Geoffrey Perret, Jeff Riggenbach

Average: 0.00, 0 Ratings

Eisenhower

By Geoffrey Perret

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.