Martin Judy Books

QUILTS CON EL DISENO LOG CABIN

By Martin Judy

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Complete Painting Course

By Martin Judy, Hazel Harrison, Ian Simpson

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Mastering sketching

By Martin Judy

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Provides lessons, examples, and advice for drawing sketches with different techniques, subjects, and types of media that can serve as the foundation for a finished work or as a separate piece of art.

Caddywampus

By Martin Judy, Erik Martin

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Caddywampus

By Martin Judy, Erik Martin

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Red White and Blue Star Quilts

By Martin Judy

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Red White and Blue Star Quilts

By Martin Judy

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Encyclopedia of Printmaking Techniques

By Martin Judy

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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.