Nina Hartley's Guide To Strap-On Sex 2005 | Adam & Eve | Runtime: 1h 28min | Series: Nina Hartley's Guide
Nina Hartley's Guide To Great Sex During Pregnancy 2008 | Adam & Eve | Runtime: 1h 25min | Series: Ernest Greene
Nina Hartley's Anal Kinksters 2 2003 | Adam & Eve | Runtime: 2h 44min | Series: Nina Hartley's Anal Kinksters
World Of Sexual Variations 3 2009 | Adam & Eve | Runtime: 4h 1min | Series: World Of Sexual Variations