Karen Hirsch Books

Ellen Anders on Her Own

By Karen Hirsch

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Eleven-year-old Ellen gains insight into her changing friendships after reading her deceased mother's girlhood diary.

My sister

By Karen Hirsch

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A young boy describes his sometimes mixed feelings for his mentally handicapped sister.

Becky

By Karen Hirsch

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A deaf child lives with a hearing family while she attends school and enables them to become conscious of problems facing the deaf.

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.