Contents (view Concise Listing)

• fep •  Supply Train on the Moon • interior artwork by Ed Valigursky
• 2 • A Chat with the Editor (If, June 1954) • [A Chat with the Editor (If)] • essay by James L. Quinn
• 4 • The Colonists • novelette by Raymond F. Jones
• 4 •  The Colonists • interior artwork by Paul Orban
• 38 • No Strings Attached • short story by Lester del Rey
• 38 •  No Strings Attached • interior artwork by Frank Kelly Freas [as by Kelly Freas]
• 48 • Worth Citing (If, June 1954) • essay by uncredited
• 48 •   Review: Riders to the Stars by Curt Siodmak • review by uncredited
• 49 • Snaring the Human Mind • essay by Fritz Leiber
• 54 • The First Day of Spring • novelette by Mari Wolf
• 54 •  The First Day of Spring • interior artwork by Ed Emshwiller [as by Emsh]
• 71 • The Valley • short story by Richard Stockham
• 73 •  The Valley • interior artwork by Ed Emshwiller [as by Emsh]
• 84 • The Ordeal of Colonel Johns • short story by George H. Smith
• 84 •  The Ordeal of Colonel Johns • interior artwork by Rudolph Palais
• 92 • The Link • short story by Alan E. Nourse
• 92 •  The Link • interior artwork by Rudolph Palais
• 106 • Personalities in Science: Newton • [Personalities in Science] • essay by Eve P. Wulff
• 109 • The Holes and John Smith • short story by Edward W. Ludwig
• 109 •  The Holes and John Smith • interior artwork by Frank Kelly Freas [as by Kelly Freas]
• 117 • What Is Your Science I. Q.? (If, June 1954) • essay by uncredited
• 118 • Science Briefs (If, June 1954) • essay by uncredited
• bep •  Solar Power Plants • interior artwork by Ed Valigursky