Pirkkalan pyhät pihlajat (Finnish: The Holy Rowan Trees of Pirkkala) is a historical novel by Finnish author Kaari Utrio. The novel is divided into six parts. The first part sets the historical background from A.D. 800 to 1250 for the location of the holy rowan trees of Pirkkala. The rest five parts have each their own first person narrator (Filippa, Aleidis Ragvaldintytär, Kaarle Kustaanpoika, Barbara Catillina and Tuomas Haukka, respectively). The parts are divided into chapters and concentrate on years A.D. 1280-82 with flashbacks to earlier times.