Jonathan Routh Books

The nuns go East.

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The nuns' balloon crashes in the Far East where they must cope with a fire-breathing dragon and a notorious gang of miniature Japanese gardeners.

The nuns go West.

By Jonathan Routh

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Traveling by elephant, meeting an Eskimo playing a grand piano in the desert, and rescuing a stolen totem pole are some of the nuns' adventures on a vacation trip to the Wild West.

Jonathan Routh's Initial good loo guide

By Jonathan Routh

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The good loo guide

By Jonathan Routh

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Jonathan Routh's Initial good loo guide

By Jonathan Routh

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Notas de Cocina de Leonardo Da Vinci

By Leonardo Da Vinci, Jonathan Routh, Shelagh Routh

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Routh's Weekend guide.

By Jonathan Routh

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The Hangover Book: Prevention, Preparation, Treatment & Cure

By Jonathan Routh

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Doctor Crocker's Exercise Greetings Book

By Jonathan Routh

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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.