Martin Judy Books

Calligraphy Skills and Techniques

By Martin Judy

Average: 0.00, 0 Ratings

The secret garden notebook

By Martin Judy

Average: 0.00, 0 Ratings

Characters from "The Secret Garden" guide the reader through the simple techniques of sowing seeds and planting and caring for a wide range of plants.

Poems of Henry Wadsworth Longfellow

By Martin Judy, Henry Wadsworth Longfellow

Average: 0.00, 0 Ratings

Airbrushing Gradated Tones

By Judy Martin, Martin Judy

Average: 0.00, 0 Ratings

Extraordinary Log Cabin Quilts

By Martin Judy

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.