Anabelle Kienle Ponka Books

The Princely Collections Liechtenstein

By Anabelle Kienle Ponka, Frederic Elsig, Alexandra Libby, Christopher Etheridge, Johann Kraftner

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Le port d Halifax 1918

By Anabelle Kienle Ponka

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A year after the city was devastated by the Halifax Explosion, Harold Gilman (British, 1876-1919) and Arthur Lismer (Canadian, 1885-1969) were working in Halifax as war artists. Both commissioned b...

Monet

By Anabelle Kienle Ponka

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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.