vulva sex
Betty Dodson and Carlin Ross (youtube channel) (website)
“Come As You Are: The Surprising New Science that will Transform your Sex Life” by Emily Nagoski
(also see Emily Nagoski's Ted Talks on Confidence & Joy and The Truth About Unwanted Arousal)
“Healing Painful Sex” by by Deborah Coady and Nancy Fish
“Girl Sex 101” by Allison Moon
“Women's Anatomy of Arousal” by Sherri Winston