Patricia Agre Books

Cosmo's Restaurant

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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.

My Brother Steven is Retarded

By Harriet Langsam Sobol, Patricia Agre

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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.

My Brother Steven Is Retarded

By Harriet Langsam Sobol, Patricia Agre

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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.