S.E.X.
From SFSI
S.E.X.: The All-You-Need-To-Know Progressive Sexuality Guide to Get You Through High School and College by Heather Corinna, published by Marlowe & Company [Buy]
From the founder and editor of Scarleteen, this guide is full of sexuality information geared toward readers aged 16-22 of all genders and orientations.
ISBN 1600940102