Contents (view Concise Listing)

• A Note from the Publisher (The Third Time Travel Megapack) • essay by John Gregory Betancourt [as by John Betancourt]
• The Children's Room • (1947) • novelette by Raymond F. Jones
• Sidetrack in Time • (1941) • short story by William P. McGivern
• George All the Way • (1956) • short story by Richard Wilson
• Absolutely No Paradox • (1951) • short story by Lester del Rey
• The Hohokam Dig • (1956) • short story by Theodore Pratt
• Guaranteed Tenure • short fiction by H. B. Fyfe
• Through Time and Space with Ferdinand Feghoot: 42 • [Ferdinand Feghoot • 42] • short story by Reginald Bretnor (variant of Through Time and Space with Ferdinand Feghoot: XLV 1961) [as by Grendel Briarton]
• Never Go Back • (1953) • short story by Charles V. De Vet
• The Ancestral Thread • (1947) • short story by Emil Petaja
• The Sons of Japheth • (1956) • short story by Richard Wilson
• Meddler • (1954) • short story by Philip K. Dick
• The Man Who Liked Lions • (1956) • short story by John Bernard Daley
• Flame for the Future • (1941) • short story by William P. McGivern
• Dinosaur Goes Hollywood • (1942) • short story by Emil Petaja
• Time Out for Tomorrow • (1957) • short story by Richard Wilson
• Remember the Alamo! • (1961) • short story by T. R. Fehrenbach [as by R. R. Fehrenbach]
• Gun for Hire • (1960) • short story by Mack Reynolds
• Through Time and Space with Ferdinand Feghoot: 63 • [Ferdinand Feghoot • 63] • short story by Reginald Bretnor (variant of Through Time and Space with Ferdinand Feghoot: LXII 1963) [as by Grendel Briarton]