Sam Kass served as President Barack Obama's Senior Policy Advisor for Nutrition Policy. Wikipedia
Source: "Probably [the author's] most-famous book." - Sam Kass
Source: "[This book] just sucked me in, and I love the feeling of being sucked in, which doesn’t happen with that intensity too often." - Sam Kass
Source: "Just spectacular, and the recipes are simple but so delicious." - Sam Kass
Source: Sam Kass mentioned this book on "The Tim Ferriss Show" podcast.
Source: Sam Kass recommended this book in the "Tools of Titans" book.