Explore new dimensions of knowledge with this Sherlock Holmes The Sign of Four from the house of Diamond Publications. General study skills are enhanced with the help of this book. This book has been designed for the students and aims at educating every reader with vast knowledge. The chapters in the book cover the syllabus helping each reader to understand and have required knowledge to clear the examination with excellent results. The book is divided into chapters to help the readers to take up each section of the syllabus independently and prepare for it in the best possible way. It will act as the best preparation material so that you are ready to celebrate overwhelming results.