"Continuing A. E. van Vogt's The world of Null-A."
"A Tom Doherty Associates Book."
"A sci fi essential book"--Jacket.
Jacket art by Bruce Jensen.
Summary
A sequel to A.E. van Vogt's classic "The World of Null-A" finds Gilbert Gosseyn discovering a third brain that enables his travels to unimaginable distances in space and time, where he is challenged to prevent the extermination of the human race.