Contents (view Concise Listing)

• 4 • The Covenant (Part 1 of 5) • (1960) • short fiction by Poul Anderson
• 4 •  The Covenant • (1960) • interior artwork by Mel Varga [as by Varga]
• 13 • The Covenant (Part 2 of 5) • (1960) • short fiction by Isaac Asimov
• 13 •  The Covenant [2] • (1960) • interior artwork by Mel Varga [as by Varga]
• 21 • The Covenant (Part 3 of 5) • (1960) • short fiction by Robert Sheckley
• 21 •  The Covenant [3] • (1960) • interior artwork by Mel Varga [as by Varga]
• 28 • The Covenant (Part 4 of 5) • (1960) • short fiction by Murray Leinster
• 28 •  The Covenant [4] • (1960) • interior artwork by Mel Varga [as by Varga]
• 37 • The Covenant (Part 5 of 5) • (1960) • short fiction by Robert Bloch
• 37 •  The Covenant [5] • (1960) • interior artwork by Mel Varga [as by Varga]
• 45 • The Sherrington Theory • (1963) • short story by J. G. Ballard (variant of The Reptile Enclosure)
• 46 •  The Sherrington Theory • (1963) • interior artwork by Blair
• 57 • Killjoy • (1963) • short story by Frank A. Javor [as by F. A. Javor]
• 57 •  Killjoy • (1963) • interior artwork by George Schelling [as by Schelling]
• 66 • Eve Times Four • (1960) • novelette by Poul Anderson
• 67 •  Eve Times Four • (1960) • interior artwork by Grayam
• 101 •  Cartoon: "I think it must be some kind of mouse extermination program on earth." • (1960) • interior artwork by Frosty
• 102 • Cerebrum • (1963) • short story by Albert Teichner
• 102 •  Cerebrum • (1963) • interior artwork by Lloyd Birmingham [as by Birmingham]
• 120 • The God on the 36th Floor • (1963) • short story by Herbert D. Kastle
• 120 •  The God on the 36th Floor • (1966) • interior artwork by Virgil Finlay [as by Finlay]
• 135 • Passage to Gomorrah • (1959) • novelette by Robert F. Young
• 137 •  Passage to Gomorrah • (1959) • interior artwork by Leo Summers [as by Summers]
• 157 •  Cartoon: "No wonder nobody else was on this part of the beach...it's quicksand!" • (1959) • interior artwork by Frosty
• 158 •  The Stainless Steel Leech • (1963) • interior artwork by Blair
• 159 • The Stainless Steel Leech • (1963) • short story by Roger Zelazny [as by Harrison Denmark]