The Carnation Murder: An Early 20th Century Mystery (Adele Gossling Mysteries Book 1) by Tam May

Adele Gossling seeks peace and small pleasures in Arrojo after the death of her father. Peace is exactly what she doesn’t get when she discovers her neighbor’s dead body in her gazebo. The police have a firm suspect but Adele is sure he’s innocent. But if he didn’t do it, who did? - "The story comes alive!”