- Level 5 - Easy
- Level 6 - Tricky
- Level 7 - Challenging
- Level 8 - Demanding
- Level 9 - Gruelling
- Level 10 - Mind Boggling
The Little Giant Encyclopedia of Logic Puzzles - Book
|Dimensions||5 1/2 in x 4 1/2 in x 1 1/4 in / 14 cm x 11.4 cm x 3.2 cm|
Author: Norman D Willis
This collection of deductive reasoning puzzles contains eight kinds of puzzles which only require a logical mind to solve.
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