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The truth-in-advertising title Duel in the Eclipse was applied to the American release of a Spanish spaghetti western starring Fernando Sancho. An American cowpoke heads to a Mexican town, hoping to avenge his brother's murder. This will be hard to accomplish in broad daylight, with baddies lurking around every corner. Fortunately, the town is blacked out by total eclipse. A novel slant on a well-worn plotline, Duel in the Eclipse is entertaining in a bloodthirsty sort of way.