Anna Koldeweij Books

Een keur aan zilver

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Er is al eeuwen een strenge controle op het pure gehalte van zilver. Als bewijs van goedkeuring wordt een minuscuul stempeltje afgeslagen in het voorwerp. Vroeger was een dergelijk waardebewijs nie...

Henri de Fromantiou

By Ingrid Oud, Anna Koldeweij, Pond Susan Translator, L. Hendrikman, Gerdina Eleonora Wuestman

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The exhibition will emphasize Henri de Fromantiou's oeuvre and his heyday as a court painter in Potsdam. He created many still lifes for the palaces of Frederick William I, Elector of Brandenburg....

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.