Johanna Hurwitz Books

The class prize Reasons for reading

By Johanna Hurwitz

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Elisa Michaels, Bigger & Better

By Johanna Hurwitz

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Elisa Michaels, Bigger & Better

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One Small Dog

By Johanna Hurwitz

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Dear Emma

By Johanna Hurwitz

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In her letters to a Vermont friend, eighth grader Dossi, a Russian, Jewish immigrant living in the Lower East Side of New York City in 1910, shares her thoughts about her new brother-in-law, the di...

Dear Emma

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Fourth-Grade Fuss

By Johanna Hurwitz

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A yard sale, ice skating, class pictures, and a surprise party are a few of the things that make fourth grade fun for Julio and his friends, but they must get serious about studying as the statewid...

Fourth-Grade Fuss

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E Is for Elisa

By Johanna Hurwitz

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Four-year-old Elisa gets her picture taken, starts learning to read, breaks her arm, and experiences other exciting aspects of growing up.

The Unsigned Valentine: And Other Events in the Life of Emma Meade

By Johanna Hurwitz

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In early twentieth-century Vermont, sixteen-year-old Emma confides in her diary both her hopes of becoming a farmer's wife one day and her frustrations with her parents' belief that she is too youn...

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.