Home › Authors › Douglas Wetherill 👤 Douglas Wetherill 3 books Books by Douglas Wetherill Enfermedades Del Corazon : lo Enfermedades Del Corazon : lo Que Usted Debe Saber, Quartera Edicion 2015 Heart Disease : What You Shoul Heart Disease : What You Should Know, Fourth Edition 2014 The Little Heart Book 1998