AJ Jacobs has received some strange emails over the years but this note was perhaps the strangest You don't know me but I'm your eighth cousin & we have over 80000 relatives of yours in our database And so begins AJ Jacobs's quest to build the biggest family tree in history In an era of us-versus-them thinking this book is a hilarious heartfelt & profound exploration of what binds us all
- where family begins how far it goes & the science that is revolutionizing the way we think about ethnicity history & the human species This book is about AJ Jacobs's family But it's also about your family Because it is the same family