 Expanded Universe (book)

Expanded Universe, The New Worlds of Robert A. Heinlein is a 1980 collection of stories and essays by American writer Robert A. Heinlein.The trade paperback 1981 edition lists the subtitle under other Heinlein books as "More Worlds of Robert A. Heinlein" because the contents subsume the 1966 Ace Books collection, "The Worlds of Robert A. Heinlein".