Barbara Lowenthal Books

Preschool Children with Special Needs: Children-At-Risk or Who Have Disabilities

By Janet W. Lerner, Rosemary W. Egan, Barbara Lowenthal

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Preschool Children with Special Needs: Children At Risk, Children with Disabilities

By Janet W. Lerner, Rosemary W. Egan, Barbara Lowenthal

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Attention Deficit Disorders

By Janet W. Lerner, Barbara Lowenthal, Sue R. Lerner

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Abuse and Neglect

By Barbara Lowenthal

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"For education specialists working with children from kindergarten through high school, learning to identity and address instances of child maltreatment is both a challenge and a legal responsibili...

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.