Offline — reading from this device
- Edward, Portrait of King, 46.
- Eggs, Selling the, 135.
- Eleven Pennies, The, 88, 206.
- Errand Boys, The Two, 147, 242.
- Escape of King's Jester, The Strange, 78, 201.
- Executioner, The, 78.
- Fallacy of Square's Diagonal, 52.
- Farmer's Oxen, The, 157, 248.
- Fermat, P. de, 174.
- Fish-pond, The Riddle of the, 69, 194.
- Flag, Making a, 123, 223.
- Fleurs-de-Lys, Sixty-four, 50.
- Flour, The Nine Sacks of, 26.
- Fly, The Spider and the, 121, 221.
- Footprints Puzzles, 101, 105.
- Four Princes, The, 153, 246.
- Foxes and Geese, 140, 239.
- Franklin's Puzzle, The, 44, 176.
- Friar and Sompnour's Dispute, 51, 180.
- Friar's Puzzle, The, 46, 177.
- Frogs and Tumblers, The, 113, 216.
298