Home › Authors › George J. Summers 👤 George J. Summers 7 books Books by George J. Summers Logical Deduction Puzzles 2006 The Great Book of Puzzles and The Great Book of Puzzles and Teasers 2005 Brain Teasers (pocket puzzlers) 1999 The great book of mind teasers & mind puzzlers 1986 Mind puzzlers 1984 Mind teasers, logic puzzles & games of deduction 1979 Test your logic 1972