Hysterical Literature.

From Criminal Wisdom:

In his latest project, Hysterical Literature, photographer Clayton Cubitt takes a beautiful woman, places her at a table in front of a black backdrop and gets her to read from her favorite book while an unseen accomplice below the table attempts to bring the woman to orgasm with a vibrator. The results are an intimate, sexy experience that captures a beauty rarely found in most modern pornography.

And one of the videos (NSFW noises!):

See the rest here.