1959 The Fourth "R" By George O Smith Ballantine 1st Ed Vtg PB Science Fiction

The Brain Machine George O. Smith 1969 Vintage Sci-Fi Lancer Books

The Brain Machine by George O. Smith

Fail-Safe by Eugene Burdick Dell 2459 Vintage pb 1st printing 1963 !!

Highways in Hiding George O. Smith PB 1st Lancer (1967)

Fail-Safe by Eugene Burdick & Harvey Wheeler Paperback VGC 1st Dell Printing

Sword of the Dawn (Hawkmoon #3?) by Michael Moorcock; PB G Lancer 1968

Future Tense PB 1st Dell (1968) Robert A. Heinlein J.G. Ballard Arthur C. Clarke