Roy Books

Where are you going with that energy?
Where are you going with that energy?

By Roy Doty

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Introduces various sources of energy that have been used from the time of the cavemen to the present.

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Chrysalis 8
Chrysalis 8

By Roy Torgeson

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It grows on you
It grows on you

By Roy Blount Jr.

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Public Self and Private Self
The Dollar
The Dollar

By Roy Forbes Harrod

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SNIFF TELL RIDDLE BOOK Sniffy Book
Alphabet Block Book
Alphabet Block Book

By Roy Mckie

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Allergic Diseases
Wayzgoose: A South African Satire
Elizabethan Image Painting in England 1540 1620

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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.

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