Edith Burt Ordway's "Mystery Guide" is a unique publication dedicated to the most interesting mysteries of all kinds. The author has collected more than a thousand tasks for thinking, logic tests and puzzles that develop creative thinking and help in the development of logical skills. This book will be an excellent tool for anyone who is interested in puzzles and likes to challenge their mind. "Guide to Mysteries" is not just a book, it is a real treasure trove and a stimulus for the mind, which will interest the reader of any age.