Douglas Olson Books

New evaluation procedures for a new generation of water-related projects

By Ronald G. Cummings

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Inscriptional records for the dramatic festivals in Athens

By Benjamin W. Millis, S. Douglas Olson

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Blood and iron

By S. Douglas Olson

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Blood and Iron is an exploration of the role of gossip, rumor and storytelling in the society depicted in the Odyssey and in the real world in which the poem was performed. It includes extensive an...

India

By Douglas Olson

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India

By Douglas Olson

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India

By Douglas Olson

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India

By Douglas Olson

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My Impressions of India

By Douglas Olson

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Sri Lanka 1975

By Douglas Olson

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Northern India

By Douglas Olson

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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.