Like many of Ian Watson's books a summary of the plot of Alien Embassy is pretty bizarre. Lila Makindi, a young African girl in a 22nd century that has turned it's back on much technology since a catastrophic late 20th century war, is chosen by by a mysterious agency called Bardo to join a programme of communication with alien races. This is achieved telepathically with the use of tantric sex! Soon Lila will discover that this is a front for something far more dangerous.
Possibly the first SF book to feature a black female as the main character, Alien Embassy is a well written and thought-provoking read. Like all of the Ian Watson books I have read this is a very good book and recommended to genre fans.