• "Stephen Fry at his twinkling best"

    Sunday Times
  • "His best novel yet ... an extravagant, deeply questioning work of science fiction"

  • "A sci-fi comedy that is also a time-travel thriller, constantly topical and always surprising... packed with the author's personal enthusiasm and hatreds, the former red-hot and the latter icy-black"

    Literary Review
  • "A powerful imaginative pull that keeps the pages turning while the tea goes cold and the cat gets the goldfish"

    The Independent
  • "A sprightly and entertaining read"

    Daily Telegraph