During his lifetime, Sir Ivor Jennings (1903-1965) was well kwn as the author of several standard books on constitutional law. He acted as constitutional adviser to the governments of Ceylon and Pakistan and was Vice-Chancellor of the University of Ceylon. This 1956 book followed in the tradition of his earlier The British Constitution and is a clear statement by an expert with a characteristically practical point of view. It is principally concerned with a practical problem: what constitution shall be given to a new country about to govern itself for the first time? Published at a time when colonial empires were moving more or less peaceably towards self-government, it was based on a series of broadcast talks originally commissioned by the BBC in the belief that the experiences gained in Asia were in principle applicable to other countries approaching self-government.