Boris Friedewald Books

Maria Sibylla Merians Reise zu den Schmetterlingen

By Boris Friedewald

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Women Photographers

By Boris Friedewald

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This thorough and accessible introduction to the greatest women photographers from the 19th century to today features the most important works of 55 artists, along with in-depth biographical and cr...

Paul Klee

By Boris Friedewald

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Paul Klee

By Boris Friedewald

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Women Photographers From Julia Margaret Cameron to Cindy Sherman

By Boris Friedewald

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Picasso's Animals

By Boris Friedewald

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This beautifully designed book is filled with illustrations and photographs of the many animals in Picasso’s life—those he painted and drew, as well as those he loved. One of the few un...

Paul Klee s Angels

By Boris Friedewald, Paul Klee

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A Butterfly Journey

By Boris Friedewald

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The amazing story of the life and work of the renowned botanical artist Maria Sibylla Merian is told alongside her beautiful illustrations of butterflies in this charming and elegant book. A woman...

Bauhaus

By Boris Friedewald

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Bauhaus

By Boris Friedewald

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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.