Catherine Hughes Books

American Playwrights, 1945-75

By Catharine Hughes

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Museum Theatre: Communicating with Visitors Through Drama

By Catherine Hughes

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Fish Had a Wish

By Written Illustrated By Michael Garland

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Fish has a wish. He wishes he were a bird so he could fly. He wishes he were a skunk so he could make a big stink. . . or a snake that says HISSSSSSSSS. But after enjoying a delicious mayfly snack...

The Weeping Sky

By Catherine Hughes

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Case Studies in Museum Zoo and Aquarium Theater Professional Practice Series

By Mary Lister

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Museum Job Descriptions and Organizational Charts Professional Practice

By Mary Lister

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National Geographic Little Kids First Big Book of the Ocean

By Catherine D. Hughes

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National Geographic Kids First Big Book of the Ocean is an adorable animal reference that includes the sea's high-interest animals, such as dolphins, sharks, sea otters, and penguins, and introduce...

Year of Nature Craft and Play

By Collins Kids, Catherine Hughes, Becky Goddard Hill

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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.