"Enigmi dei Vedovi Neri" . "Puzzles of the Black Widowers"@it . "The Black Widowers Club, including Henry the waiter, gathers again to solve witty and unique conundrums, in a fifth collection of the Black Widowers series, which includes two never-before-published puzzles."@en . "The Black Widowers Club, including Henry the waiter, gathers again to solve witty and unique conundrums, in a fifth collection of the Black Widowers series, which includes two never-before-published puzzles." . . . . . . . "Gli enigmi dei vedovi neri" . "Puzzles of the Black Widowers" . . . . . . . "Gli enigmi dei Vedovi Neri"@it . "Puzzles of th Black Widowers" . . . . . "Puzzles au club des veufs noirs" . . . . "Puzzles au club des les veufs noirs" . . "Enigmas dos viúvos negros" . "Los Enigmas de los viudos negros" . . . "Puzzles au Club des veufs noirs" . . . . . . . . . "Los enigmas de los viudos negros"@es . "Puzzles of the black widowers"@en . "Puzzles of the black widowers" . "Los enigmas de los viudos negros" . . . . . "Ciència-ficció Novel·la." . .