The Sherlock Holmes Quizbook, authored by Menendez and published in hardcover format in 1975, is a book that is designed to test the knowledge of Sherlock Holmes enthusiasts. The book contains a series of quizzes and puzzles that cover a wide range of topics, including the various characters and stories in the Sherlock Holmes canon, as well as the historical context in which they were written. The quizzes are designed to be challenging and engaging, with questions that will appeal to both casual fans of the detective and to more seasoned readers who are well-versed in the intricacies of the Holmes universe. Overall, the Sherlock Holmes Quizbook is an excellent addition to any fan's collection and provides an entertaining and informative way to test one's knowledge of this iconic character and his world.