Harriet Langsam Sobol Books

My Other-Mother, My Other-Father

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Twelve-year-old Andrea, whose parents have divorced and remarried, discusses the complexities of her new, larger family.

Cosmo's Restaurant

By Harriet Langsam Sobol

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Follows a family through a typical day as they participate in the variety of activities involved in running their small Italian restaurant in New York City.

Pete's House

By Harriet Langsam Sobol

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A small boy watches a house being built step-by-step.

My Brother Steven is Retarded

By Harriet Langsam Sobol, Patricia Agre

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A book of vegetables

By Harriet Langsam Sobol

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Introduces fourteen vegetables, including Brussels sprouts, cauliflower, onions, and zucchini, and describes the plants on which they grow.

Grandpa, a young man grown old

By Harriet Langsam Sobol

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A 17-year-old's views of her grandfather are juxtaposed with his descriptions of his life.

The interns

By Harriet Langsam Sobol

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Describes the day-to-day experiences of two pediatric interns at Columbia Presbyterian's Babies Hospital and discusses the importance of internship in medical education.

We don't look like our Mom and Dad

By Harriet Langsam Sobol

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A photo-essay on the life of the Levin family, an American couple and their two Korean-born adopted sons, ten-year-old Eric and eleven-year-old Joshua.

We Don t Look Like Our Mom and Dad

By Harriet Langsam Sobol

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Jeff's hospital book

By Harriet Langsam Sobol

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Describes a young boy's experience in the hospital as he undergoes surgery to correct crossed eyes.

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.