Eric W. Johnson Books

Love and sex in plain language

Average: 0.00, 0 Ratings

Describes development of sexual characteristics in boys and girls, explains the physiology of intercourse, pregnancy, and birth, and discusses homosexuality, masturbation, contraception, and VD.

Love and sex in plain language

By Eric W. Johnson

Average: 0.00, 0 Ratings

Describes development of sexual characteristics in boys and girls, explains the physiology of intercourse, pregnancy, and birth, and discusses homosexuality, masturbation, contraception, and VD.

Sex, telling it straight

By Eric W. Johnson

Average: 0.00, 0 Ratings

Discusses such biological and social aspects of sex as the male and female reproductive systems, intercourse, pregnancy, birth control, venereal disease, and homosexuality.

Love and sex and growing up

By Eric W. Johnson

Average: 0.00, 0 Ratings

V.D.

By Eric W. Johnson

Average: 0.00, 0 Ratings

Outlines the present venereal disease crisis in the United States, the facts about syphilis and gonorrhea, and what could be done to help solve this national health problem.

V.D.

By Eric W. Johnson

Average: 0.00, 0 Ratings

Outlines the present venereal disease crisis in the United States, the facts about specific diseases, and what could be done to help solve this national health problem.

VD, enfermedades venereas

By Eric W. Johnson

Average: 0.00, 0 Ratings

Vdi En Fermedades Venereas

By Eric W. Johnson

Average: 0.00, 0 Ratings

Older Wiser

By Eric W. Johnson

Average: 0.00, 0 Ratings

People Love Sex Families

By Eric W. Johnson

Average: 0.00, 0 Ratings

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.