I first came to know of this book after reading an interview of the co-author, Dr. Sai Gaddam, in Tehelka, and then hearing from a friend a few days later that the author was actually an IITian who later became a Neuroscientist.
Interesting enough to pick anyone's curiosity :) I bought a kindle copy and read it over a weekend. It is, without exaggeration, the most fascinating book I have ever read about sex. Not that I have ready many, but I have read books by Mary Roach (Bonk) and Matt Rid...