Sonja Sekula Books

Im Zeichen der Frage, im Zeichen der Antwort

By Sonja Sekula

Average: 0.00, 0 Ratings

Sonja Sekula friends

By Griselda Pollock, Fanni Fetzer, Sonja Sekula, Dominik Muller

Average: 0.00, 0 Ratings

Sonja Sekula (1918-63) was born and educated in Lucerne, Switzerland, but emigrated to the United States with her parents in 1936. In 1941, she began studying art at the Arts Students League in New...

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.