* "The Nature of the Universe - a series of broadcast lectures", Basil Blackwell, Oxford 1950 (early use of the big bang phrase)* "Frontiers of Astronomy", Heinemann Education Books Limited, London, 1955.
==Bibliography=====Non-fiction===*"The Nature of the Universe - a series of broadcast lectures", Basil Blackwell, Oxford 1950 (early use of the big bang phrase)*"Frontiers of Astronomy", Heinemann Education Books Limited, London, 1955.