Then look no further. With 50 fun and extra-challenging puzzles designed for experienced solvers , this book will put your logic skills to the test. Each puzzle is designed to be both challenging and rewarding, with a unique solution that will require you to think creatively and logically. The puzzles come in five different grid sizes . But don't let the smaller grids fool you - even the smallest ones are challenging, just requiring less time to solve. So you can decide which size to tackle based on how much time you have available to be entertained. As for the largest grids, take your time, because they will leave you scratching your head for a while. You'll have to use all of your logical thinking skills to solve these puzzles, but the satisfaction of solving each one is worth the effort. ADDED Included in your purchase is the ebook "Logic Grid Puzzles - The Explosive Expert Secrets to Crack Every Grid." This comprehensive handbook is packed with insider techniques and strategies and contains an additional 6x5 bonus puzzle . If you are a puzzle enthusiast looking for a real challenge, then this is the perfect book for you.