00268nam a22001097a 4500020001800000082001600018100002000034245003900054250002400093260002600117300001500143  a9781473695986  a509.2 HAW-B  aStephen Hawking  aBrief Answers to the Big Questions  a1st Edition in 1988  aUKbJohn Murrayc2018  a232p 2.1cm