Rebecca Stefoff Books

Examines the extinction of various plants and animals, mankind's effect on the biosphere and species loss, and the preservation and protection of life forms.

Overpopulation

By Rebecca Stefoff

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Examines the results of demographic changes and illustrates the threat of overpopulation to man and his environment.

Environmental disasters

By Rebecca Stefoff

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Discusses causes and ramifications of environmental disasters using actual disasters as case studies.

Recycling

By Rebecca Stefoff

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Examines the evolution of recycling as a concept, its role in controlling the world's trash problems, and possible future developments.

Extinction

By Rebecca Stefoff

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Examines the extinction of various plants and animals, mankind's effect on the biosphere and species loss, and the preservation and protection of life forms.

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.