Donna Napoli Books

Jimmy: The Pickpocket of the Palace

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Jimmy, the froglet son of an enchanted frog-prince, tries to save his pond from the evil hag and in the process finds himself transformed into a human boy.

Zel

By Donna Jo Napoli

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High in the mountains, Zel lives with her mother, who insists they have all they need -- for they have each other. Zel's life is peaceful and protected -- until a chance encounter changes everythin...

Stones in Water

By Donna Jo Napoli

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When Roberto sneaks off to see a movie in his Italian village, he has no idea that life as he knows it is over. German soldiers raid the theater, round up the boys in the audience, and pack them on...

Predication Theory: A Case Study for Indexing Theory

By Donna Napoli

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Treasury of Egyptian Mythology

By Donna Jo Napoli

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The new National Geographic Treasury of Egyptian Mythology is a stunning tableau of Egyptian myths, including those of pharaohs, queens, the boisterous Sun God Ra, and legendary creatures like the...

The Magic Circle

By Donna Jo Napoli

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From the author of Zel, Stones in Water, and The Prince of the Pond. Deep in the woods lives the old witch called Ugly One. All she wants is to forget—the she was once a loving mother and a heale...

The Prince of the Pond

By Donna Jo Napoli

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From the author of The Magic Circle, Zel, and Stones in Water.Who is that handsome green stranger? None of the pond dwellers has ever seen the peculiar new frog before. They found him sitting in a...

The Prince of the Pond

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From the author of The Magic Circle, Zel, and Stones in Water.Who is that handsome green stranger? None of the pond dwellers has ever seen the peculiar new frog before. They found him sitting in a...

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.