Katherine Pryor Books

Sylvia s Spinach

By Anna Raff, Katherine Pryor

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Zora s zucchini

By Katherine Pryor

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During her summer vacation, Zora decides to plant zucchini in the family's garden but ends up having way too much zucchini for just one family to eat.

Las Espinacas de Sylvia

By Anna Raff, Katherine Pryor, Luis Humberto Crosthwaite

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Zora s Zucchini

By Anna Raff, Katherine Pryor

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Sylvia s Spinach with CD with CD

By Katherine Pryor

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Zora s Zucchini

By Nancy Wu, Katherine Pryor

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Sylvia s Spinach

By Nancy Wu, Katherine Pryor

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Sylvia s Spinach

By Nancy Wu, Katherine Pryor

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Zora s Zucchini

By Nancy Wu, Anna Raff, Katherine Pryor

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Home Is Calling

By Katherine Pryor, Ellie Peterson

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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.