Zachary Kent Books

The Battle of Chancellorsville

By Zachary Kent

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Connecticut

By Zachary Kent

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Describes the history, geography, ecology, people, economy, cities, and sights of the state of Connecticut, and includes ideas for classroom assignments. This revised third edition takes an update...

Andrew Carnegie

By Zachary Kent

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A biography of the Scottish immigrant who made a fortune in the steel industry and used much of it for philanthropic causes.

"[E]xamines the life of the writer whose work, which includes such masterpieces as "The raven" and "The tell-tale heart," remains among the most memorable in the history of American literature"--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.