In the far future, after human civilization has spread through the galaxy, communications begin to arrive in an apparently alien language. They appear to threaten invasion, but in order to counter the threat, the messages must first be understood.

Joint winner of the Nebula Award for best novel, 1966
Read More

Genre: Fiction & Related Items

On Sale: 11th November 2010

Price: £7.99

ISBN-13: 9780575101838