Charles Altomont Doyle was the father of Arthur Conan Doyle, the author of Sherlock Holmes. This notebook was created while Charles was a patient in an mental institution. It is a facsimile of sketches, watercolors, diary, nature drawings, handwritten notes and cartoon-like figures. The book's subtitle is "With a Holmsian Investigation into the Strange and Curious Case of Charles Altamont Doyle." -- Source of annotation: Marvin or Ruth Sackner.