The Ultimate Enigma: Deciphering the Most Perplexing Vanishing Act in Recorded Time

For Young Women Only: What You Need to Know About How Guys Think

Davy Jones' Metropolis: Exploring the Submerged Haven of Lost Corsairs

Outdated: Find Love That Lasts When Dating Has Changed

Why Smart People Don't Have Many Friends: The Social Challenges of High Intelligence

Passion and Purity: Learning to Bring Your Love Life Under Christ's Control

10 Signs of Phony Friendly People: How to Identify Fake Friendships

Guys are Waffles, Girls are Spaghetti

Why So Many Young People Are Depressed: Understanding the Mental Health Crisis Among Youth

This is Really Happening

Wisdom On ... Friends, Dating, and Relationships

Mastering Dating Skills 101 Course

The Top 10 Dating Mistakes Women Make—From a Man’s Perspective

For Young Men Only: A Guys Guide to the Alien Gender

I'm Not in the Band

The Professor of Love

How to Make Friends: How to Find & Make Friendships That Last (A Guide to Social Skills That Teaches You How to Strike Up a Conversation With Friends)

How To Find Your Soulmate without Losing Your Soul: 21 Secrets for Women