Nina Hartley's Guide To Anal Sex 1995 | Adam & Eve | Runtime: 1h 17min | Series: Nina Hartley's Guide
Nina Hartley's Guide To Strap-On Sex 2005 | Adam & Eve | Runtime: 1h 28min | Series: Nina Hartley's Guide
Nina Hartley's Guide To Sex For The Bi-Curious Woman 2007 | Adam & Eve | Runtime: 1h 42min | Series: Nina Hartley's Guide
Nina Hartley's Guide To The Perfect Orgy 2007 | Adam & Eve | Runtime: 2h 50min | Series: Ernest Greene