Robert Cressman Books

Soon after Japanese carrier-based planes attacked the U.S. Pacific Fleet at Pearl Harbor, Japanese land-based bombers pounded Wake Island, an American advanced base that was key to the U.S. Navy's...

The Official Chronology Of The U.S. Navy In World War II

By Robert Cressman

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"This major update of the original 1955 study offers a well organized chronology of the operational aspects of the U.S. Navy's war in every theater."

USS i Ranger i

By Robert Cressman, Robert J. Cressman

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Official Chronology of the U. S. Navy in World War II

By Robert Cressman

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Official Chronology of the U.S. Navy in World War II

By Steve Chadde, Robert Cressman

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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.