. . . . . "Klingon"@en . . "Klingon" . "Okrand, who designed and developed the Klingon language and culture for the Star trek feature films and Star trek: the next generation, teaches the words, pronunciations, phrases, etc., of this language."@en . "Klingon dictionary"@en . "Sound recordings"@en . . "Sound recordings" . . "Star trek, the Klingon dictionary"@en . . . "Self-instruction"@en . "Self-instruction" . "Conversational Klingon"@en . . "Conversational Klingon" . . . "Star trek conversational Klingon"@en . "Star trek conversational Klingon" . . . "Star trek." . .