Sidewinders From Sirius

A science fiction novel written in the early 1950s. The story revolves around an impending alien invasion from the Sirian colonists, led by the tyrannical Xenthl, who have given Earth a six-month ultimatum to surrender. Vice-Colonel Gaylord Kram of Terrestrial Intelligence devises a daring plan to negotiate a truce with the aliens instead of capitulating to their demands, using a combination of wit and