Waldemar Januszczak Books

Techniques of the World s Great Painters A QED Book

By Waldemar Januszczak

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Techniques of the Great Masters of Art

By Waldemar Januszczak

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Techniques of the world's great painters

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Techniques of the world's great painters

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Tecnicas de Los Grandes Pintores

By Waldemar Januzaczak

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Every picture tells a story

By James Bluemel, Waldemar Januszczak

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Art critic Waldemar Januszczak unravels the secrets behind eight masterpieces of European painting, searching out art experts, literary and artistic allusions, and historical records to expose long...

Forger s Tale

By Waldemar Januszczak, Shaun Greenhalgh

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Dark Trees

By Waldemar Januszczak, Damien Hirst

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Dark Trees

By Waldemar Januszczak, Damien Hirst

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Forger s Tale

By Waldemar Januszczak, Shaun Greenhalgh

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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.