La quarta mano - The Fourth Hand, by John Irving (2001, USA)

USA, end of 90s. Patrick's a handsome, playboy journalist whose left hand has been eaten by a lion in India. Doris is a determined, honest woman in love with his husband. Dr Zajac is a complicated doc who's working on hands surgery. The author takes the reader deep inside all the characters' lives, so that they can easily think as each characters does.
Peculiar and page-turner.