. "One-minute mysteries and brain teasers" . "One-minute mysteries and brain teasers"@en . . "One minute mysteries and brain teasers" . . "Presents one hundred mysteries and brain teasers which readers can attempt to solve with the provided clues." . . "1-minute mysteries and brain teasers" . . . "Misterios y acertijos de un minuto : acertijos interesantes para niƱos de todas las edades"@es . "Electronic books" . "Electronic books"@en . . . . . . . . . "Adivinanzas." . . . .