Mark Schweizer

The Alto Wore Tweed is the first novel in the St. Germaine mystery series by Mark Schweizer. In this book, Hayden Koenig investigates the murder of a janitor found in the choirloft.

The Baritone Wore Chiffon is the second book in Mark Schweizer's St. Germaine mystery series. In this book, Hayden koenig travels to York, England, where he investigates the death of a bearded woman.

The Tenor Wore Tapshoes is the third book in the St. Germaine mystery series by Mark Schweizer. In this novel, Chief Koenig investigates the murder of a body discovered half a century after the crime.