| 1. The Returning Explorer |
| 2. Draw Poker |
| 3. The Mutilated Chessboard |
| 4. The Fork in the Road |
| 5. Scrambled Box Tops |
| 6. Cutting the Cube |
| 7. Bronx vs. Brooklyn |
| 8. The Early Commuter |
| 9. The Counterfeit Coins |
| 10. The Touching Cigarettes |
| 11. Two Ferryboats |
| 12. Guess the Diagonal |
| 13. Cross the Network |
| 14. The 12 Matches |
| 15. Hole in the Sphere |
| 16. The Amorous Bugs |
| 17. How Many Children? |
| 18. The Twiddled Bolts |
| 19. The Flight around the World |
| 20. The Repetitious Number |
| 21. The Colliding Missiles |
| 22. The Sliding Pennies |
| 23. Handshakes and Networks |
| 24. The Triangular Duel |
| 25. Crossing the Desert |
| 26. Lord Dunsany's Chess Problem |
| 27. The Lonesome 8 |
| 28. Dividing the Cake |
| 29. The Folded Sheet |
| 30. Water and Wine |
| 31. The Absent-Minded Teller |
| 32. Acute Dissection |
| 33. "How Long Is a "Lunar"?" |
| 34. The Game of Googol |
| 35. Marching Cadets and a Trotting Dog |
| 36. "White, Black and Brown" |
| 37. The Plane in the Wind |
| 38. What Price Pets? |
| 39. The Game of Hip |
| 40. A Switching Puzzle |
| 41. Beer Signs on the Highway |
| 42. The Sliced Cube and the Sliced Doughnut |
| 43. Bisecting Yin and Yang |
| 44. The Blue-Eyed Sisters |
| 45. How Old Is the Rose-Red City? |
| 46. Tricky Track |
| 47. Termite and 27 Cubes |
| 48. Collating the Coins |
| 49. Time the Toast |
| 50. A Fixed-Point Theorem |
| 51. How Did Kant Set His Clock? |
| 52. Playing Twenty Questions when Probability Values Are Known |
| 53. Don't Mate in One |
| 54. Find the Hexahedrons |
| 55. Out with the Onion |
| 56. Cut Down the Cuts |
| 57. Dissection Dilemma |
| 58. Interrupted Bridge |
| 59. Dash It All! |
| 60. Move the Queen |
| 61. Read the Hieroglyphics |
| 62. Crazy Cut |
| 63. Find the Oddball |
| 64. Big Cross-Out Swindle |
| 65. Reverse the Dog |
| 66. Funny Fold |
| Answers |