. . . . . . . "Electronic books" . "10-minute brain teasers brain-training tips, logic tests, and puzzles to exercise your mind" . "10-minute brain teasers brain-training tips, logic tests, and puzzles to exercise your mind"@en . . "Ten-minute brain teasers" . . . . . . . . "10-minute brain teasers : brain-training tips, logic tests, and puzzles to exercise your mind" . . . . . "GAMES Reference." . . "Puzzles." . . "Lateral thinking puzzles." . . "Logic puzzles." . . "GAMES Travel Games." . .