The Brain Machine George O. Smith PB 1st Lancer (1968)

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

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

Fail-Safe A Novel

The Complete Venus Equilateral by George O. Smith 1980 Ballantine

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

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

The Brain Machine by George O. Smith 1968 Lancer 74-936 Paperback