Ture Widlund Books

The 1896 Olympic Games

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"Till now, the results of the 1920 Olympics held in Antwerp, Belgium, have been far from complete. The Antwerp organizing committee published an official report (actually just a typed copy) of the...

1912 Olympic Games

By Ture Widlung, Bill Mallon, Ture Widlund

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The 1896 Olympic Games Results For All Competitors In All Events With Commentary

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The 1912 Olympic Games Results For All Competitors In All Events With Commentary

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1896 Olympic Games

By Bill Mallon, Ture Widlund

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1912 Olympic Games

By Bill Mallon, Ture Widlund

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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.