Alan E. Nourse Books

Explains the process of reproduction and why and how birth control is used. Describes different methods of birth control, their rates of effectiveness and their drawbacks.

Teen Guide to Birth Control

By Alan Edward Nourse

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Teen guide to safe sex

By Alan Edward Nourse

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Discusses sexually transmitted diseases, including gonorrhea, syphilis, chlamydia, genital herpes, and AIDS, and how to protect against them.

AIDS

By Alan Edward Nourse

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Discusses the possible origins, symptoms, and characteristics of AIDS, the ongoing search for a cure, and myths and fears concerning the epidemic.

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.