100 Games of Logic Author:Pierre Berloquin The puzzles in "100 Games of Logic" have been selected and designed so that they will not be too difficult to solve for the average reader who is not a mathematician, and at the same time not too easy. They are all clearly presented, accurately answered at the back of the book, and great fun to work on whether you crack them or not. — Pierre Ber... more »loquin is also the author of "100 Numerical Games", "100 Perceptual Puzzles", and "365 Exercises for the Mind".« less