Heidi Dierckx Books

Greek and Roman Civilization

By Heidi M. C. Dierckx

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The Hagios Charalambos cave

By Kostes Davaras, Heidi Dierckx, Philip P. Betancourt

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"This is the first of five planned volumes to present the primary archaeological report about the excavation of the cave of Hagios Charalambos in eastern Crete. The Minoans used this small cavern a...

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.