Agnes Danforth Hewes Books

Spice and the Devil s Cave

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In 1490s Portugal, Abel Zakuto, a Jewish banker with a keen interest in mapmaking and sea navigation, encourages explorers Magellan, da Gama, and Diaz to find the elusive sea route around the "Devi...

Spice and the Devil 39 s Cave

By Lynd Ward, Agnes Danforth Hewes

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Jackhammer Drill Runners of the Mountain Highways

By Agnes Danforth Hewes

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Spice and the Devil s Cave

By Agnes Danforth Hewes

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The codfish musket

By Agnes Danforth Hewes

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Spice and the Devil s Cave

By Agnes Danforth Hewes

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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.