Brewer Paul. Books

Warfare in the ancient world

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Presents an overview of war from the beginning of recorded history to the fall of the Roman Empire in the fifth century A.D., including information about Rome, Egypt, Greece, Persia, and China.

Warfare in the Renaissance world

By Brewer Paul.

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Describes the widespread changes in the conduct of war that occurred in the 200 years between the beginning of the sixteenth century and the end of the seventeenth century.

The American Civil War

By Brewer Paul.

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Chronicles the American Civil War, its causes, events, and results and examines innovations in technology and strategy that came about during the conflict.

The Lima Embassy siege and Latin American terrorism

By Brewer Paul.

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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.