“Sexually Transmitted Diseases” is a Small Topic from the book I’m a Boy, Sexual Maturity (Ages 15+)
Your son has begun having ejaculations and has completed puberty. Now is the time for him to learn about the responsibilities that are part of becoming sexually mature.
This Small Topic, written for boys 15+ years, describes the viruses and bacteria that cause sexually transmitted diseases (STDs) and how to protect himself from getting one.
Here are a few pages from this Small Topic