| Title | Page | |
|---|---|---|
| False Alarms | 122 | |
| False Logic. | 96 | |
| False Weights | 158 | |
| The Famous Hot Cross Bun Puzzle | 95 | |
| The Ferry Boat Problem | 80 | |
| The Fighting Fishes of Siam | 79 | |
| The Fire Escape Puzzle | 71 | |
| A Five Minutes Talk on Chemistry. | 45 | |
| The Florist Puzzle | 49 | |
| The Flying Bird | 137 | |
| Focas’le Yarns | 102 | |
| The Football Problem | 160 | |
| For and Aft Puzzle | 108 | |
| For Bible-Students. | 44 | |
| The Frankfurter Problem | 57 | |
| Free Acres | 87 | |
| Fun at Sing Sing. | 56 |