Sherlock Holmes and the Crater Lake Adventure is a mystery/adventure tale set in 1897 in Southern Oregon in the Gold Rush town of Jacksonville and at Crater Lake. Sherlock Holmes, Dr. Watson, and Jules Verne combine efforts with Oregon historical figure Peter Britt to determine the link between the sudden, baffling appearance of an airship and the harassment and murders of gold miners. Holmes and his colleagues learn the identity of the diabolic person operating the airship. They join forces with a Native American guide who, with the assistance of a legendary creature, attempt to disrupt the evil one's plans to appropriate a fortune in gold and put an end to his reign of terror. This book has been approved by the Conan Doyle Estate, Ltd.