Analog: November 1964 ("Bedsheet" size issue: 8-1/2" by 11".)
Illustrations by Robert Swanson, John Schoenherr, Kelly Freas (he shows what can be done in this large format with a wonderful 2-page spread for "Bill for Delivery.") Cover by John Schoenherr (for "Gunpowder God.")

Science: "Invasion by Washing Water" by D. R. Barber
"Waldo Goes to Work" (photo spread.)

Novelettes: "Gunpowder God" by H. Beam Piper ("Paratime" related; beginning of Lord Kalvan of Otherwhen)
"Guttersnipe" by Rick Raphael.

Stories: "Gallagher’s Glacier" by Walt & Leigh Richmond (expanded to Ace-Double of same title, expanded again in 1979)
"Bill for Delivery" by Christopher Anvil.

Serial: "Sweet Dreams, Sweet Princes" (Part 2 of 3) by Mack Reynolds (book title was Time Gladiator.)

John W. Campbell's editorial is "The Extremist." Book reviews by P. Schuyler Miller.