Poet Jesse Nichol is tricked into helping a Lunarian plot to overthrow the rulership of the Teramind, an artificial intelligence that is controlling the Earth.
Continues the saga of the Time Patrol. Manse Everard must sort out events in 1532, 1987, 1885, and 1610 and keep them from changing history. A rogue conquistador with a stolen time machine makes things more complicated for him.
