Peter Walch Books

French Oil Sketches and the Academic Tradition

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"The Academie Royale de Peinture et de Sculpture, founded in Paris in 1648 as an alternative to the old guild system, was the center for art instruction through the end of the nineteenth century, a...

Perspectives on Photography

By Peter Walch

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Perspectives on Photography

By Thomas Barrow, Peter Walch

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French oil sketches and the academic tradition

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Harry Nadler 1930 1990

By Harry Nadler

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Albuquerque 50s

By Deborah Boll, MaLin Wilson, Peter Walch

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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.