George Winius Books

Foundations of the Portuguese empire, 1415-1580

By Bailey W. Diffie

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xxx, 533 p., [11] leaves of plates : 24 cm

The Charlton Story

By Richard Clement, George Winius, Earle Perry Charlton

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Die ritterlich un d lobwirdig Rayss (1515)

By Lodovico De Varthema

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The Charlton Story

By Richard Clement, George Winius, Earle Perry Charlton

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"In our present generation of mammoth discount chains, wholesale membership outlets, and internet buying, it has been increasingly difficult for the pioneer - older, more established retail chains...

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.