Charles Edmund Roth Books

Describes various animal species not native to the United States, how they arrived on the North American continent, and their effect on the native wildlife.

The Amateur Naturalist: Explorations and Investigations

By Charles Edmund Roth, Charles E. Roth

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Presents a variety of activities and projects to help the amateur naturalist explore the habits of common plants and animals.

Lakes Ponds and Temporary Pools Exploring Ecosystems

By Charles Edmund Roth, David Josephs

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Plants Alive

By Charles E. Roth

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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.