Ivan Bentchev Books

First as the powerful bulwark of Christendom against the East in the Middle Ages and the Renaissance, and then as the victim of rapacious neighbors, Poland's fate has been central to European cultu...

Muttergottesikonen

By Bentchev

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Griechische und bulgarische Malerbucher. Technologie

By Ivan Bentchev

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New or else first translation into German of the technique and methods in the Painter's Manual - Hermeneia - of 12 Greek and Bulgarian icon-painters of the 16th-19th century: Nektarij, Anonymous I,...

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.