Reviews Poseidon’s Steed: The Story of Seahorse, from Myth to Reality by Helen Scales Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Science News August 27, 2009 at 3:45 pm A marine biologist distinguishes fact from fiction about these famous and elusive fish.Gotham Books, 2009, 254 p., $24. POSEIDON’S STEED: THE STORY OF SEAHORSE, FROM MYTH TO REALITY BY HELEN SCALES