Crucial Experiment II • essay by Ben Bova
A Thrust of Greatness • [Lifeboat Earth] • novelette by Stanley Schmidt
Detesters, Phasers and Dean Drives • essay by G. Harry Stine
Brains Isn't Everything • shortstory by Christopher Anvil
Side Effect • shortstory by Hayford Peirce
Minotaur in a Mushroom Maze • serial by Nancy Carrigan and Richard A. Carrigan
Longevity • shortstory by Scott W. Schumack
Crucial Experiment II • essay by Ben Bova
A Thrust of Greatness • [Lifeboat Earth] • novelette by Stanley Schmidt
Detesters, Phasers and Dean Drives • essay by G. Harry Stine
Brains Isn't Everything • shortstory by Christopher Anvil
Side Effect • shortstory by Hayford Peirce
Minotaur in a Mushroom Maze • serial by Nancy Carrigan and Richard A. Carrigan
Longevity • shortstory by Scott W. Schumack