Killer Dolphin Ngaio Marsh Killer Dolphin by Ngaio Marsh Sign in to put this book on your shelf. Prize history Edgar Award for Best Novel 1967 Nominee Edgar Award for Best Novel 1967 nominees King of the Rainy Country Nicolas Freeling King of the Rainy Country Nicolas Freeling Winner Odds Against Dick Francis Odds Against Dick Francis The Busy Body Donald E. Westlake The Busy Body Donald E. Westlake