Book 634

Null a Three

by Alfred Elton Van Vogt

Published 2 July 1985
Meet again Gilbert Gosseyn, the man with the extra brain who staved off disaster for the Solar System, as he finds himself launched on his greatest challenge -- a showdown with the originators of cosmic civilization.
Null-A 3 is destined to become an instant classic -- a mind boggling galaxy-spanning adventure!