Martian Concerns and Other Tales

∙ Earth scientists rocket to Mars, bearing a secret plan for future Martians. But the Martians have plans of their own.∙ A devious AI runs amok. Mars''s entire security apparatus can''t pin it down.∙ Through startling revelations, a lovelorn man uncovers the root of his wife''s troubles.∙ An old smartaleck Deadhead from Princeton University''s maintenance garage harbours a top-secret story.∙ A struggling artist finds unusual allies: bums and a witch.∙ After 219 years, a warlock stumbles into his first love.