F. Jamil Ragep Books

The Biographical Encyclopedia Of Astronomers

By Thomas Hockey, F. Jamil Ragep, Katherine Bracher, Virginia Trimble, JoAnn Palmeri, Thomas R. Williams, Richard A. Jarrell, Marché, II Jordan D

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The Biographical Encyclopedia Of Astronomers Is A Unique And Valuable Resource For Historians And Astronomers Alike. The Two Volumes Include Approximately 1550 Biographical Sketches On Astronomers...

Nasir Al-Din Al-Tusi's Memoir on Astronomy, Vol. 1

By F. Jamil Ragep, Nasir Al Din Muhammad Ibn Muhammad Tusi

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Water in the Middle East

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Nasir al Din al Tusi s Memoir on Astronomy Volume I

By F. Jamil Ragep

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Tusi (1201-1274 a.d.) was an Arabic scholar whose writings became the standard texts in several disciplines for several centuries. They include editions of Euclid's Elements and Ptolemy's Almagest,...

Nasir Al Din Al Tusi s Memoir on Astronomy

By F. J. Ragep

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On 'Astronomia': An Arabic Critical Edition and English Translation of Epistle 3

By F. Jamil Ragep, Taro Mimura

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The Biographical Encyclopedia Of Astronomers

By Thomas Williams, Hockey, Thomas Hockey, F. Jamil Ragep, Katherine Bracher, Virginia Trimble, Marvin Bolt, Jordan D. Marche, JoAnn Palmeri, Thomas R. Williams, Richard Jarrell, Thomas A. Hockey

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The Biographical Encyclopedia Of Astronomers Is A Unique And Valuable Resource For Historians And Astronomers Alike. The Two Volumes Include Approximately 1550 Biographical Sketches On Astronomers...

Before Copernicus

By Rivka Feldhay, F. Jamil Ragep

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Herbal of Al Ghafiqi

By F. Jamil Ragep, Faith Wallis

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Water in the Middle East

By F. Jamil Ragep, Joseph Ginat, K. David Hambright

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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.