A Study in Scarlet (1887) marked the first appearance of Sherlock Holmes and John Watson, M.D. The character of Holmes was modeled after Joseph Bell, one of Doyle's university professors. Part II, The Country of the Saints, deals much with the Mormon Church, set in Utah.
Part I, Chapter I - Mr. Sherlock Holmes
Chapter II - The Science of Deduction
Chapter III - The Lauriston Garden Mystery
Chapter IV - What John Rance Had to Tell
Chapter V - Our Advertisement Brings a Visitor
Chapter VI - Tobias Gregson Shows What He Can Do
Chapter VII - Light in the Darkness
Part II - The Country of the Saints, Chapter I - On the Great Alkali Plain
Chapter II - The Flower of Utah
Chapter III - John Ferrier Talks with the Prophet
Chapter IV - A Flight for Life
Chapter V - The Avenging Angels
Chapter VI - A Continuation of the Reminiscences of John Watson, MD