Nina Hartley's Guide to Double Penetration

Nina Hartley's Guide to Better Fellatio

1994

Nina Hartley's Guide to Foreplay

1997

Nina Hartley's Guide to Sex Toys

1998

Nina Hartley's Advanced Guide to Oral Sex

1998

Nina Hartley's Guide to Making Love to Women

2000

Nina Hartley's Guide to Better Cunnilingus

2001

Nina Hartley's Guide to Alternative Sex

2002

Nina Hartley's Guide to Sensual Domination 1 - How to Dominate a Man

2003

Nina Hartley's Guide to Sensual Domination 2 - How to Dominate a Woman

2003

Nina Hartley's Guide to Masturbation

2004

Nina Hartley's Guide to Multiple Orgasms

2004

Nina Hartley's Guide to Double Penetration

2004

Nina Hartley's Guide to G Spot Sex

2005

Nina Hartley's Guide to Female Ejaculation

2006

Nina Hartley's Guide to Great Sex During Pregnancy

2008

Nina Hartley's Guide to Younger Men Older Women Sex

2014