Nina Hartley's Guide To Simultaneous Orgasms 2009 | Adam & Eve | Runtime: 1h 15min | Series: Nina Hartley's Guide
Nina Hartley's Guide To Multiple Orgasms 2004 | Adam & Eve | Runtime: 1h 36min | Series: Nina Hartley
Nina Hartley's Guide To Younger Men Older Women Sex 2003 | Adam & Eve | Runtime: 1h 16min | Series: Nina Hartley
No Boys No Toys 2007 | Adam & Eve | Runtime: 1h 30min | Series: No Boys No Toys (Bad Seed/adam And Eve)