Orjan Wikander Books

Handbook of Ancient Water Technology Technology and Change in History

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"A new handbook replaces the discussion of water technology in antiquity in R. J. Forbes Studies in Ancient Technology and the first two volumes of A History of Technology, edited by Charles Singer...

Roof tiles and tile roofs at Poggio Civitate Murlo

By Orjan Wikander

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This book has various aims: presenting and discussing the roof-tiles discovered at Poggio Civitate, trying to reconstruct the many roofs they once covered, and outlining the general development of...

Etruscan inscriptions from the collections of Olof August Danielsson

By Charlotte Wikander

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Om jordbruket

By Sten Hedberg, Marcus Porcius Cato, Marcus Terentius Varro, Orjan Wikander

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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.