World-Class Puzzles from the World Puzzle Championships, Volume 4

Rating:
Summary: serious disappointment
Review: I enjoy problems and puzzles that make you think. Most of the "problems" in this book can be solved by tedious trial and error. There is hardly any need to or opportunity to think rationally. If you like grunt work in solving problems you might like this book, but if you like challenging thought problems, this is the wrong book. I gave it a one star rating because zero stars is not an option.
A waste of money!