. . "Puzzles." . . "Korean language materials." . . . "Sam Loyd's Cyclopedia of 5000 puzzles, tricks and conundrums : with answers"@en . . . . "Saem Loidŭ ŭi ch'angŭiryŏk ŭl k'iwŏjunŭn p'ŏjŭl yŏhaeng : chŏnsŏlchŏk in ch'ŏnjae p'ŏjŭl lisŭt'ŭ Saem Loidŭ wa hamkke ttŏnanŭn chŭlgŏun p'ŏjŭl yŏhaeng" . . . "샘 로이드 의 창의력 을 키워주는 퍼즐 여행 : 전설적 인 천재 퍼즐 리스트 샘 로이드 와 함께 떠나는 즐거운 퍼즐 여행" . . "Sam Loyd's cyclopedia of 5,000 puzzles, tricks, and conundrums"@en . . . "Sam Loyd's cyclopedia of 5,000 puzzles, tricks and conundrums : with answers"@en . . "Sam Lloyd's cyclopedia of 5,000 puzzles, tricks, and conundrums with answers"@en . . . . .