Ellen Switzer Books

Mind Play: The Creative Uses of Fantasy

By Jerome L. Singer, Ellen Switzer

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Lily Boop

By Ellen Eichenwald Switzer

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A young girl describes her adventures with her unusual friend, Lily Boop, who keeps a pet slug and eats raw eggs for lunch.

The law for a woman

By Ellen Eichenwald Switzer, Ellen Switzer

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Dancers

By Ellen Eichenwald Switzer, Ellen Switzer

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The Nutcracker

By Ellen Eichenwald Switzer

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Describes the Tchaikovsky ballet, the Hoffman story on which it was based, and the version staged by Balanchine for the New York City Ballet, as shown through photographs and interviews with some o...

Anyplace but here

By Ellen Eichenwald Switzer

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Examines the problems that lead young people to live on the streets and what life is like for them there. Also provides information on how they can get help.

Mind Play

By Jerome L. Singer, Ellen Switzer

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Greek myths

By Ellen Eichenwald Switzer

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Examines the sources and stories of Greek mythology, recounting the tales of gods, heroes, lovers, and warriors.

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.