ISBN-13: 9781780979632 / Angielski / Twarda / 2017 / 144 str.
Helps you improve your faculties with 70 specially-commissioned puzzles, riddles and enigmas concocted by the one detective - Mr Sherlock Holmes. In in this book, the author assembles this collection of trials, so you can test your analytic abilities and hone your deductive sense to avoid making hasty assessments and faulty conclusions.