There are 3 books in The Galactic Empire Novels series.
The Galactic Empire Novels series does not have a new book coming out soon. The latest book, Pebble in the Sky (Book 3), was published in February 1950.
The first book in The Galactic Empire Novels series, The Stars, Like Dust, was published in January 1951.
The Galactic Empire Novels series primarily falls into the Space Opera and Science Fiction genres.