Patrick Carman Books

Beyond the Valley of Thorns the Land of Elyon 2

By Patrick Carman

Average: 0.00, 0 Ratings

Stargazer the Land of Elyon 4

By Patrick Carman

Average: 0.00, 0 Ratings

Tenth City the Land of Elyon 3

By Patrick Carman

Average: 0.00, 0 Ratings

The Walnut Cup

By Patrick Carman

Average: 0.00, 0 Ratings

The Walnut Cup, the only American stop on the World Squirrel Soccer League tour, is taking place in Elliot's park, but when the game ball, a perfectly round walnut, goes missing it is up to Elliot...

Into The Mist

By Patrick Carman

Average: 0.00, 0 Ratings

Floors 3

By Patrick Carman

Average: 0.00, 0 Ratings

Floors

By Patrick Carman, Chris Turnham

Average: 0.00, 0 Ratings

Black Circle

By Patrick Carman

Average: 0.00, 0 Ratings

Three Fifteen Season 1 Things that go Bump in the Night

Average: 0.00, 0 Ratings

3 Below

By Patrick Carman

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.