Letters to Penthouse XXIX: Take a Walk on the Wild Side

Letters to Penthouse XXX Quickies: The Gang Bangs Here

Come As You Are: Revised and Updated: The Surprising New Science That Will Transform Your Sex Life

Letters to Penthouse xxx: Extreme Sex, Maximum Pleasure

Penthouse: Between the Sheets

Letters to Penthouse xxxi: Serving It Up Hot and Dirty

Letters to Penthouse xxxii: Kinky Sex and Naughty Games

Letters to Penthouse XIV: Its an Open House--and Open Season for Sex

Penis Enlargement: The Porn Industry's Secret Penis Enlargement Techniques. Natural, Proven Methods, Exercises and Tips on How to Add Several Inches.

Letters to Penthouse xxxiii: Lusty Hunter, Sexy Prey

Letters to Penthouse xxxiv: Sinful Sirens & Their Dirty Little Secrets

26 Nights: A Sexual Adventure

Letters to Penthouse xxxv: Naughty Pleasure Parties Exposed

Penthouse Unleashed: Sex Tips

Letters to Penthouse xxxvi: Sultry Passions, Sinful Desires

Mating in Captivity: How to keep desire and passion alive in long-term relationships

Letters to Penthouse xxxvii: Naughty Intentions & Dirty Deeds

Penthouse Variations