Rob M. Worley Books

Snowbound mystery

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A family, snowbound in a vacation cabin, discovers adventure in surrounding wild life, three children they find in the snow, and a search for a lost recipe.

The pizza mystery

By Rob M. Worley

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When their favorite pizza restaurant almost goes out of business, the Alden children try to help their friends stay open while they find out who is behind all their problems.

Scratch9 the Pet Project Deluxe Second Life Edition

By Joshua Buchanan, Rob Worley

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Wizard of Oz Tale 1 the Cyclone

By Mike Dubisch, L. Frank Baum

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Ants and the Grasshopper

By Mark Bloodworth, Rob M. Worley

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Boy Who Cried Wolf

By Will Meugniot, Rob M. Worley

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Puss in Boots

By Mike Dubisch, Rob M. Worley

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Medusa

By Mike Dubisch, Rob M. Worley

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Heimdall

By Rob M. Worley

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Loki

By Rob M. Worley

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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.