'This beautifully illustrated book (20 colour plates, many more in black and white) is a fitting tribute by more than 20 of his friends and colleagues to the best-known astronomer of our time … it is also exhilarating, because it records a vertitable explosion in our knowledge of the universe - an explosion in which Sagan often acted as a fuse … All the essays are by leading authorities in the field, yet all are accessible to the non-specialist reader. They are full of fascinating and little-known items of information … Carl Sagan's Universe covers such a vast range of topics … that I cannot imagine any intelligent reader failing to derive both information and entertainment from it.' Arthur C. Clarke, The Times Higher Education Supplement