Richard C. Francis is a writer who has a PhD in biology from Stanford University. He is the author of Why Men Won't Ask for Directions.
Epigenetics explains all this in clear, no-nonsense prose... One particularly excellent chapter explains epigenetic change through the body of steroid-addled baseball player Jose Canseco, from his brain to his testicles. -- Josh Rothman - Boston Globe Francis's primer introduces a new field. It's a thorough guide to the many ways in which personality and health can play out through our genes but not be coded for in DNA. -- Christine Kenneally - Slate