Merchant's Puzzle, The, 33, 170.
Merry Monks of Riddlewell, 68, 194.
Miller's Puzzle, The, 26, 164.
Miscellaneous Puzzles, 118, 220.
Mistletoe Bough, Under the, 91, 208.
Moat, Crossing the, 81, 202.
Money, Dividing the, 57.
Monks of Riddlewell, The Merry, 68, 194.
Monk's Puzzle, The, 39, 172.
Montucla, 246.
Motor-Car, The Runaway, 103, 211.
Motor-Cars, The Three, 147, 242.
Moving Counter Problems. See Counter Problems, Moving.
Nash, W., 237.
Nelson Column, The, 146, 241.
Newton, Sir Isaac, 248.
Nines, Plato and the, 154, 247.
Noble Demoiselle, The, 59, 186.
Noughts and Crosses, 156, 248.
Number Blocks, The, 139, 238.
Numbers on Motor-Cars, 103, 148.
Numbers Partition of, 46.
Numbers The Chalked, 89, 206.
Nun's Puzzle, The, 32, 169.
Ones, Numbers composed only of, 18, 75, 198.
Opposition in Chess, 224.
Orchards, The Fifteen, 143, 241.
Ovid's Game, 156, 248.
The Canterbury Puzzles, and Other Curious Problems · The Wunder Library — complete classics, free to read, with narration.