Ellen Wittlinger Books

Lombardo's law

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A fifteen-year-old girl and her new thirteen-year-old male neighbor find their friendship deepening into a romance as they work on writing and filming a screenplay together.

Noticing paradise

By Ellen Wittlinger

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Sixteen-year-olds Noah, who is upset over his parents' divorce, and Cat, who has always been sheltered by her parents, find adventure and romance on a tour of the Galapagos Islands.

Twice Told

By Scott Hunt

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Presents nine drawings by a single illustrator, each of which has been translated into a story by two different authors writing about what they imagine is going on in the picture.

This Means War

By Ellen Wittlinger

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Gracie s Girl

By Ellen Wittlinger

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Lombardo s Law

By Ellen Wittlinger

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Razzle

By Ellen Wittlinger

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Zigzag

By Ellen Wittlinger

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Lombardo s Law

By Ellen Wittlinger

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Razzle

By Ellen Wittlinger

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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.