Robert Van Tol Books

Submarines

By Robert, Robert Van Tol, Van Tol

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Examines the history, uses, working operations, and future of submarines and describes the various types.

Surface Warships

By Robert Van Tol

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Includes index Describes the characteristics of different types of modern warships and their functions. Also includes a brief overview of the history and development of battleships with a list of t...

Submarines

By Robert Van Tol

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Examines The History, Uses, Working Operations, And Future Of Submarines And Describes The Various Types.

Surface Warships (20th Century Weapons)

By Robert Van Tol

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Mould Filling Of Horizontal Thin-Wall Castings

By Robert Van Tol

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Buques De Guerra

By Robert Van Tol

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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.