Farewell to the Master (Annotated)

This is a reprint of the famous Harry Bates novella that was the basis of the movies "The Day the Earth Stood Still," and it includes:
* Historical background
* biography of the author
* list of other first-contact books

The humanoid alien Klaatu and the giant robot Gnut suddenly materialize in Washington, D.C., in a time-travel space ship. Two unfathomable beings from somewhere else in the universe. The murder of Klaatu ruins Earth’s attempt to peacefully welcome the first interstellar visitors. And one man tries to solve the mystery of why Gnut remains silent, imperious, and unassailable.