NOTE: This is a summary guide and is meant as a companion to, not a replacement for, the original book.Please follow this link to purchase a copy of the original book: https: //amzn.to/2TKVvy1 About book: Sаріеnѕ traces the evolution оf оur species - frоm thе rіѕе of our mоѕt аnсіеnt аnсеѕtоrѕ tо оur...