Nina Hartley's Guide To Couples Sexploration 2001 | Adam & Eve | Runtime: 1h 4min | Series: Nina Hartley Guides
Nina Hartley's Guide To Threesomes: Two Guys And A Girl 2005 | Adam & Eve | Runtime: 1h 13min | Series: Nina Hartley
Nina Hartley's Advanced Guide To Anal Sex For Men And Women 2007 | Adam & Eve | Runtime: 1h 43min | Series: Nina Hartley's Guide
Nina Hartley's Guide To Stripping For Your Partner 2007 | Adam & Eve | Runtime: 1h 16min | Series: Ernest Greene
Nina Hartley's Guide To Hot Talk 2015 | Adam & Eve | Runtime: 2h 23min | Series: Nina Hartley's Guide