Karen Roosa Books

Beach Day

By Karen Roosa

Average: 0.00, 0 Ratings

Rhyming text describes a perfect day at the beach, complete with sandy knees, deviled eggs, and a castle with a moat.

Beach Day

By Karen Roosa, Maggie Smith

Average: 0.00, 0 Ratings

Beach Day

By Karen Roosa, Maggie Smith

Average: 0.00, 0 Ratings

Pippa at the parade

By Karen Roosa

Average: 0.00, 0 Ratings

A young child has a fun-filled day with her parents at the big parade.

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.