Roger Riccard, respected and prolific author of Sherlock Holmes stories with over fifty to his credit since his first novel in 2012, has already taken readers through the Twelve Days of Christmas and An Alphabet of Cases. He now he turns his attention to The Seven Deadly Sins. Envy - A Perpetrator in a Pear Tree. A retired judge has been murdered in a locked tower room with its only window too narrow for anyone to enter. Can Holmes...