Stephen Hawking, A Memoir of Friendship and Physics, Knopf Doubleday Publishing Group, Leonard Mlodinow,Biography: science, technology and medicine,Biography: general, autobiography;physics books;theoretical physics;astrophysics;gifts for dad;dad gifts;books for dad;fathers day gifts;quantum mechanics;physics gifts;gifts;leadership books;essentialism;gifts for women;gifts for teachers;gifts for men;quantum;string theory;astronomy books;quantum physics;mathematics;space;autobiographies;memoirs;physics;science;science books;biographies;biography;stephen hawking;stephen hawking books;memoir;friendship;stephen;math gifts;nonfiction books best sellers,, , United States, en-UShttps://www.penguinrandomhouse.comautobiography;physics books;theoretical physics;astrophysics;gifts for dad;dad gifts;books for dad;fathers day gifts;quantum mechanics;physics gifts;gifts;leadership books;essentialism;gifts for women;gifts for teachers;gifts for men;quantum;string theory;astronomy books;quantum physics;mathematics;space;autobiographies;memoirs;physics;science;science books;biographies;biography;stephen hawking;stephen hawking books;memoir;friendship;stephen;math gifts;nonfiction books best sellers, [BLURB],[CITY],,books, ebooks, biblet, Book2look