Charles H. Brown Books

Charles H. Brown became Edward Creighton's assistant in 1861, working on the transcontinental telegraph line. His diary begins on June 18, 1861, the first entry describing Brown's departure from Fo...

Dark Sky Black Sea

By Charles H. Brown

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"One of the aviator's greatest challenges - and fears - is flying from an aircraft carrier in foul weather. With only instruments to guide them, pilots are under constant pressure to keep their air...

William Cullen Bryant

By Charles Henry Brown

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Meteorology for Masters and Mates Being Questions and Answers Based on the Information Contained in the Barometer Manual and Seaman s Handbook Of

By Charles H. Brown

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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.