"Two classic Robert A. Heinlein novels in one volume, with an all-new introduction by Mark L. Van Name, author of the Jon and Lobo military SF se

Contents: The puppet masters.--Doublestar.--The door into summer.

When the United States is occupied by an invading army, six individuals secretly work on a weapon to help restore freedom to the world.

A young man reports for the final tests for appointment as a cadet in the Interplanetary Patrol, survives the tests, studies in the school ship,

The stars were closed to Max Jones. To get into space you either needed connections, a membership in the arcane Guild, or a whole lot more money

A young colonist on Mars befriends a strange round creature called Willis who gets him into trouble when he goes away to school, but whose presen

Kip, a high school senior, wins a space suit in a soap jingle contest and is testing it out in the backyard when he is skyjacked by a space pirat

Two young lovers are forced apart by pride, power, and the immensity of interstellar time and space, in an authorized version of an unfinished no