George J. Summers
· 11 obras en el catálogo
Obras

Classic Logic Puzzles

Brain Teasers (pocket puzzlers)

Mind teasers, logic puzzles & games of deduction

The great book of mind teasers & mind puzzlers
1986
The Great Book of Puzzles and Teasers
2005

Logical Deduction Puzzles
2006

Mind bafflers
1998

Mind puzzlers
1984

New puzzles in logical deduction
1968

Test your logic
1972