. . "Puzzles." . . . . "Sam Loyd's Cyclopedia of 500 puzzles tricks and coundrums with answers"@en . . . . "Sam Loyd's cyclopedia of 5000 puzzles tricks and conundrums with answers"@en . "Sam Loyd's cyclopedia of 5000 puzzles, tricks, and conundrums, with answers" . . "Cyclopedia of 5000 puzzles, tricks, and conundrums with answers"@en . . . . . . . . . . "Sam Loyd's cyclopedia of puzzles" . "Cyclopedia of puzzles"@en . "Cyclopedia of puzzles" . . "Sam Loyd's cyclopedia of 5000 puzzles, tricks & conundrums, with answers" . . . . . "Riddles." . .