Wendy Spinale Books

Umberland

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When Doc's cure for the Horologia virus mutates, Alyssa sets off in search of the extinct poisonous apple that is the source of the virus, but must fight her way through a labyrinth filled with dea...

Umberland Everland Book 2

By Wendy Spinale

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Ozland

By Wendy Spinale

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With Everland and Umberland both destroyed, the survivors have taken refuge in a small village tucked within the shadows of the Bloodred Queen's castle. Doc has found an actual cure for the Horolog...

Everland Everland Book 1

By Wendy Spinale

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Umberland

By David De Vries, Matthew Frow, Wendy Spinale, Lauren Irwin

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Everland

By Wendy Spinale

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London is a ruin, destroyed by German bombs, ravaged by the Horologia virus, and ruled by the ruthless Captain Hanz Otto Oswald Kretschmer, whose Marauders search for and seize the children who are...

Everland the Everland Trilogy Book 1

By Wendy Spinale

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Umberland Everland Book 2

By Wendy Spinale

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Ozland Everland Book 3

By Wendy Spinale

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Lost Boy a Prequel Novella to Everland

By Wendy Spinale

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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.