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