Slowly Dirrul's body tensed with fear.
"The Instant of Now"
Irving E. Cox, Jr.
For an instant, as Wilkes swung the heavy weapon over his shoulder, he tensed his muscles for action.
"The Gray Phantom's Return"
Herman Landon
His smile became more sardonically set and his muscles tensed as his rifle barrel was thrust forward.
"The Tempering"
Charles Neville Buck