Analog Science Fiction - Science Fact April 1968 (Volume 81, Number 2)
Illustrations by Kelly Freas, Leo Summers. Cover by Kelly Freas (for "Secret Weapon.")

Novelette: "Secret Weapon" by Joseph P. Martino.

Stories: "Handyman" by Jack Wodhams
"Is Everybody Happy?" by Christopher Anvil
"Incorrigible" by John T. Phillifent (a.k.a. "John Rackham")
"Local Effect" by D. L. Hughes.

Serial: "The Horse Barbarians" (Part 2 of 3) by Harry Harrison (book title was Deathworld 3.)

Feature: "Phantasmaplasmagoria" by Herbert Jacob Bernstein.

John W. Campbell's editorial is "Inherited Xenophobia"; Book reviews by P. Schuyler Miller.