20.4.1994
Nina Hartley's Guide to Better Fellatio
1.1.1997
Nina Hartley's Guide To Foreplay
1.1.1998
Nina Hartley's Guide to Sex Toys
Nina Hartley's Advanced Guide to Oral Sex
19.7.2000
Nina Hartley's Guide to Making Love to Women
1.10.2001
Nina Hartley's Guide to Better Cunnilingus
19.7.2002
Nina Hartley's Guide to Alternative Sex
1.1.2003
Nina Hartley's Guide to Sensual Domination 1 - How to Dominate a Man
1.3.2003
Nina Hartley's Guide to Sensual Domination 2 - How to Dominate a Woman
5.8.2004
Nina Hartley's Guide To Masturbation
Nina Hartley's Guide to Multiple Orgasms
2.9.2004
Nina Hartley's Guide To Double Penetration
1.1.2005
Nina Hartley's Guide To G Spot Sex
29.3.2006
Nina Hartley's Guide to Female Ejaculation
8.4.2008
Nina Hartley's Guide To Great Sex During Pregnancy
15.7.2014
Nina Hartley's Guide To Younger Men Older Women Sex
