Helene S. Sader Books

Les etats arameens de Syrie depuis leur fondation jusqu'a leur transformation en provinces assyriennes

By Helene S. Sader

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Tell el Burak I

By Helene S. Sader, Jens Kamlah

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A Unique Monumental Building dating to the early part of the Middle Bronze Age (ca. 1900-1700BCE) was uncovered at the southern Lebanese coast by the joint Lebanese-German excavation project at Tel...

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.