Thomas Preston Books

Samurai Geist Der Weg Eines Kriegers in Den Japanischen Kampfkunsten

By Thomas Preston

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The President and his inner circle

By Preston Thomas

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Few would argue that presidential policies and performance would have been the same whether John F. Kennedy or Richard Nixon became president in 1960, or if Jimmy Carter instead of Ronald Reagan ha...

The President and His Inner Circle

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Cambyses King of Persia c. 1584

By Thomas Preston

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Cambyses King of Persia C. 1584

By Thomas Preston

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Cambyses King of Persia

By Thomas Preston

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A Treatise on Spherical Trigonometry

By Thomas Preston, William J M Clelland

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Cambyses King of Persia

By Preston Thomas, T. Preston

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From Lambs to Lions

By Thomas Preston

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Pandora s trap

By Preston Thomas

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"How important is presidential personality and leadership style in foreign policy decisions? To answer this question, Thomas Preston takes readers inside the Bush administration's decision making p...

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.