Introduction : The universe of science fiction / by Isaac Asimov
hard-boiled detective : The Detweiler boy / by Tom Reamy
Psychic detective : The Ipswich phial / by Randall Garrett
Spy story : Second game / by Charles V. De Vet and Katherine MacLean
Analytical detective : The ceaseless stone / by Avram Davidson
Whodunit : Coup de grace / by Jack Vance
Why-done-it : The green car / by William F. Temple
How-done-it : War game / by Philip K. Dick
Inverted : The Singing bell / by Isaac Asimov
Locked room : ARM / by Larry Niven
Cipher : Mouthpiece / by Edward Wellen
Police procedural : Time exposures / by Wilson Tucker
Trial : How-2 / by Clifford D. Simak
Punishment : Time in advance / by William Tenn.
