Invaders from the Infinite

Invaders from the Infinite is a science fiction novel by American writer John W. Campbell Jr. It was simultaneously published in 1961 by Gnome Press in an edition of 4,000 copies and by Fantasy Press in an edition of 100 copies.

The novel, a sequel to The Black Star Passes and Islands of Space, concerns a trio of heroes, Arcot, Morey and Wade, and their attempts to help a race of superdogs.