Doug Cushman Books

Halloween goodnight

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On Halloween night, monsters, from hairy werewolves on the moors to scaly swamp creatures in a black lagoon, say goodnight to their mommies and daddies.

Pumpkin Time

By Doug Cushman, Erzsi Deak

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Valentine Mice

By Doug Cushman, Bethany Roberts

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Pumpkin Time

By Doug Cushman, Erzsi Deak

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Feliz Cumpleanos Gus

By Patricia Abello, Doug Cushman, Jacklyn Williams

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Feliz dia de Gracias Gus

By Patricia Abello, Doug Cushman, Jacklyn Williams

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Feliz Dia de la Amistad Gus

By Patricia Abello, Doug Cushman, Jacklyn Williams

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Feliz Halloween Gus

By Patricia Abello, Doug Cushman, Jacklyn Williams

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Feliz Navidad Gus

By Patricia Abello, Doug Cushman, Jacklyn Williams

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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.