- The world's biggest book of brainteasers & logic puzzlesNorman D. Willis
- The Little Giant Encyclopedia of Logic PuzzlesNorman D. Willis
- Mystifying logic puzzlesNorman D. Willis
- Mensa logic puzzlesMargaret C. Edmiston, Muriel Mandell et al.
- False logic puzzlesNorman D. Willis
- Tricky logic puzzlesNorman D. Willis
- Amazing logic puzzlesNorman D. Willis
- Little Giant EncyclopediaNorman D. Willis