12 books • 2 series
Visits and Sketches at Home and Abroad Volume 3; With Tales and Miscellanies Now First Collected, and a New Edition of the "Diary of an Ennuyee."
Great Book of Classical Puzzles
Mind Bafflers
Logical Deduction Puzzles (Official Mensa Puzzle Book S.)
The Great Book of Puzzles and Teasers
Classic Logic Puzzles
Test Your Logic (Dover Recreational Math)
Great Book of Mind Teasers and Mind Puzzlers
The Great Book of Mind Teasers and Puzzles
Mind Puzzlers
Mind Teasers
New Puzzles in Logical Deduction