Ruth Horowitz Books

Crab moon

By Ruth Horowitz

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One June night, a young boy watches as many, many horseshoe crabs come ashore to lay their eggs.

Crab Moon

By Ruth Horowitz Illustrated By Kate Kiesler

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Like a perfect day at the beach, Crab Moon leaves an indelible memory of a special adventure, and a quiet message about doing our part to preserve earth's oldest creatures.One June night,...

Breakout at the bug lab

By Ruth Horowitz

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When a giant cockroach named Max escapes from their mother's bug laboratory, Leo and his brother receive help from a mysterious stranger who advises them to think like a bug in order to recapture t...

Big surprise in the bug tank

By Ruth Horowitz

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Two brothers get two giant hissing cockroaches as pets and then must figure out a way to deal with the resulting population explosion.

Crab Moon

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Cultura Honor E Identidad En Una Comunidad Chicana Honor and the American Dream

By Ruth Horowitz

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Teen Mothers--Citizens or Dependents?

By Ruth Horowitz

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Are We Still Friends

By Ruth Horowitz, Blanca Gomez

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Saving Eli s Library

By Brittany Jackson, Ruth Horowitz

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In the Public Interest

By Ruth Horowitz

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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.