Derrick Belanger, PSI, is an award-winning author, publisher, and educator most noted for his books and lectures on Sherlock Holmes and Sir Arthur Conan Doyle. A number of his books have been #1 bestsellers in their categories on Amazon.com. Derrick is co-owner of the publishing company Belanger Books, which published the first ebook editions of the original Solar Pons books by August Derleth. Derrick is a board member of Dr. Watson's Neglected Patients, the Denver-based Scion Society, and in 2019 was inducted into the Praed Street Irregulars. In January 2020, Mr. Belanger was awarded the Susan Z. Diamond Award in recognition of outstanding efforts to introduce young people to Sherlock Holmes. His story, "The Adventure of the Misquoted MacBeth," was selected for inclusion in The Best Mystery Stories of the Year (2023). He currently resides in Broomfield, Colorado. Find him at www.belangerbooks.com.