1°
Nina Hartley's Guide to Better Fellatio
1994
2°
Nina Hartley's Guide to Foreplay
1997
3°
Nina Hartley's Guide to Sex Toys
1998
4°
Nina Hartley's Advanced Guide to Oral Sex
1998
5°
Nina Hartley's Guide to Making Love to Women
2000
6°
Nina Hartley's Guide to Better Cunnilingus
2001
7°
Nina Hartley's Guide to Alternative Sex
2002
8°
Nina Hartley's Guide to Sensual Domination 1 - How to Dominate a Man
2003
9°
Nina Hartley's Guide to Sensual Domination 2 - How to Dominate a Woman
2003
10°
Nina Hartley's Guide to Masturbation
2004
11°
Nina Hartley's Guide to Multiple Orgasms
2004
12°
Nina Hartley's Guide to Double Penetration
2004
13°
Nina Hartley's Guide to G Spot Sex
2005
14°
Nina Hartley's Guide to Female Ejaculation
2006
15°
Nina Hartley's Guide to Great Sex During Pregnancy
2008
16°
Nina Hartley's Guide to Younger Men Older Women Sex
2014