is one of Mr. Heinlein's first books to be made into a movie. It is an interesting look at military service in the not too distant future. Soldiers battle an alien race attempting to take over the earth and other human settlements on distant worlds. A much abridged version of this novel was published in 'Fantacy and Sience Fictin' magazine under the title 'Starship Soldier'. This novel went into print in 1959