Novice solvers can become master sleuths with these 70 illustrated puzzles from the world’s most brilliant detective.
 Sharpen your wits with these 70 specially commissioned puzzles, riddles, and enigmas, all grouped by difficulty and concocted by the one detective who needs no introduction: Mr. Sherlock Holmes. Dr. John Watson, Holmes’s friend and companion, has assembled this collection so you can test your analytic abilities and hone your deductive reasoning as you go along.