American?s top selling how to guide is back with an all new volume! We invite you to join Nina Hartley for a very special installment of her Sex Guide series. NHGT Great Sex During Pregnancy. Ms. Violet Blue, well along in her second pregnancy, joins Nina to answer questions on the minds of other couples awaiting a new arrival. With help from the father to be, Violet Demonstrates pregnancy for the second time, perform a variety of sexual acts that you and your partner can both enjoy while providing helpful tips to promote intimacy and achieve maximum mutual satisfaction.