Ursula Vernon Books

La salchicha maldita

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Dani Bocafuego and his friend Vicente try to stop the school from being infected after Vicente is bit by an odd looking hot dog and starts turning into a were-wiener.

Hamster Princess y la maldicion de la bruja ratona

By Ursula Vernon, Enric Batalla Argelich

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Hamster Princess y las doce princesas ratonas bailongas

By Ursula Vernon, Enric Batalla Argelich

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Danny Dragonbreath knows girls are nothing but trouble. And the new foreign exchange student, Suki the Salamander, is the worst: she's reduced his best friend, Wendell, to a blithering, lovesick ta...

Dragonbreath 1

By Ursula Vernon

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Danny Dragonbreath can't breathe fire, but he has no fear. And that comes in handy when a bad grade at school inspires him to enlist his cousin the sea-serpent's help with a research project. Using...

Curse of the Were Wiener

By Ursula Vernon

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Lair of the Bat Monster

By Ursula Vernon

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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.