Everyone knows how to 'kill' a zombie, but do they know how to accurately guess their 'age' based on their appearance and state of decay? This short non-fiction book (written for ages 9 and up) by an author with a B.A. in Anthropology, explains the science of decay (including a "Zombie Timeline of Decay," for reference) in easy to understand language that will help the reader impress their fellow zombie fans with their new-found expertise in zombie anatomy. They'll never watch a zombie movie or T.V. show the same way again This book is an Amazon best seller.