Encyclopedia an 18-volume American edition of Trivial Pursuit round Double Jeopardy! Show_number 1630 category FLAGS OF THE TRADE air_date 1997-06-18 question 'A magazine article \Extra-Terrestrial Relays\ Arthur C. Clarke's \2010 Odyssey Two\' value $800 answer Leatherstocking Tales round Jeopardy! Show_number 3170 category HELOISE'S BEAUTY HINTS air_date 2010-11-23 question 'Adolph.