The subject of the essay is "My best day in the field or on the water." Length is 600 to 1,000 words. All entries must be typed, double-spaced, on 81/2x11-inch paper, using only one side of the paper, and must include the writer's name, address, telephone number, and proof of age (copy of birth certificate, driver's license, or passport). One essay accepted per entrant. Each entry must be original, nonpublished work, written in English, and the content must be appropriate for a national magazine, as determined by Field & Stream's editors.