Poul Anderson was one of the most popular authors in SF. Born in 1921, he began his career in the Golden Age of SF in the 1950s, and was a regular contributor to Astounding SF magazine (later Analog SF) edited by John W. Campbell. His work encompassed science fiction and fantasy, including the Polesotechnic League series and the Terran Empire series featuring Dominic Flandry, and the fantasy Kingdoms of Ys series, written with his wife Karen. He received seven Hugo and three Nebula Awards, and a SFWA Grandmaster Award among other honors. He died in 2001.

Security takes place in a future America, where Control and Efficiency are emphasized, and unquestioned loyalty is required. Nobody wants a repeat of the catastrophic war that happened seventy-five years previously, and sacrifices must be made to insure the ultimate peace. Or so Dr. Allen Lancaster, a Sector Chief on a Project believes, until Security decides his planned vacation will be spent in space on a top secret project. People who learn too much have been jailed or even shot as security risks. Is Dr. Lancaster’s new assignment a blessing or a curse? He will find out …