Roy Marshall Books

Turks and Caicos Islands

By Great Britain. Constitutional Commission On The Turks And Caicos Islands

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The Plane

By Roy Marshall, John Bradley, Marshall Ray.

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Text and movable, pop-up illustrations reveal the internal workings of an airplane. Includes instructions and materials for making a paper model airplane.

The Train

By Roy Marshall, John Bradley, Marshall Ray.

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Moving diagrams and lift-up flaps show the structure of various kinds of trains, steam, diesel, and electric, and explain how the engineer operates each kind. Also includes an easy-to-assemble mode...

Test outcast

By Roy Marshall

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A pictorial survey of bus building from the 'twenties to the 'forties with a brief history

By Roy Marshall

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Villisca

By Roy Marshall

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The sun bathers

By Marshall Roy Poet

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The Car

By Roy Marshall, John Bradley, Marshall Ray.

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Pop-up pictures with movable parts and text show how the main parts of a car work.

Jupiter Rising

By Roy Marshall

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Alix

By Roy Marshall

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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.