According to Diogenes Laertius, Empedocles wrote two books in the form of poems: Peri Physeos (On nature) and the Katharmoi (Purifications).
Daɣ awa allaɣat Diogenes Laertius, Empedocles iktab alkittaban issin daɣ ich-ikil n tisiway: Peri Physeos (On Nautre) d Katharmoi (Purifications)