Richard O. Lewis, Earthmen Die Hard! (1954)
“ He wheeled to look through the lens again. Three brilliant flashes, greater than the others, sparkled almost simultaneously upon the planet's troubled surface, sent up mushrooms of dust and shattered atoms. "And is this what happened on Sol V?""Y-yes," stammered Krembyl. "The same thing. Just before ... just before...."He could not bring himself to complete the statement.Ryt leaped from the seat at the desk, his body black and bloated. "Then there is not a moment to lose! Exterminate before this planet is destroyed! And let none escape!" ”
