MAITLAND, Fla., June 18, 2013 /PRNewswire-iReach/ -- The mission of Vincent Fields's new book, The Human Heart: More Than a Muscle That Pumps Blood ($15.49, paperback, 978-1-62697-561-3; $25.49, hardcover, 978-1-62697-562-0; $7.99, e-book, 978-1-62697-563-7) is to help readers find out...