Robert A. Heinlein has been hailed as one of the most forward-thinking science fiction writers of all time, and Expanded Universe (presented in two volumes) offers the perfect collection of his works to provide listeners with true insights into his uniquely creative mind. Heinlein personally selected each story or essay for inclusion in this collection, which is ordered chronologically, starting with his first sale in 1939 of "Life-Line" to Astounding...