Donna Koren Wells Books

Pond life

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A trip to the pond provides information about the plants and animals there and how they interact. Includes suggested activities such as making a food chain mobile and collecting snails from a pond.

What animals give us

By Donna Koren Wells

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Lists the many important things animals give us and the ways we use them.

Your body

By Donna Koren Wells

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A simple introduction to the various parts of the human body and their functions.

Pond life

By Donna Koren Wells

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A trip to the pond provides information about the plants and animals there and how they interact. Includes suggested activities such as making a food chain mobile and collecting snails from a pond.

Live Aware Not in Fear

By Donna Koren Wells, Donna Wells, Bruce Morris

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A collection of facts, concrete advice, and thought-provoking questions designed to help teens cope with the aftermath of the September 11th, 2001, terrorist attacks, as well as other dangers in to...

Biotechnology

By Donna Koren Wells

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Describes the history and applications of biotechnology, focusing on how scientists develop new organisms by altering the genetic makeup of living things.

Crime Control in Public Housing

By Donna K. Wells, Harold A. Wright, Pamela J. Everton

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America Comes of Age Making of America Austin Tex. .

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What animals give us

By Donna Koren Wells

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Lists the many important things animals give us and the ways we use them.

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.