The Tree of Knowledge
The Tree of Knowledge (Spanish:El árbol de la ciencia) is a novel written by Pío Baroja. It was published in 1911, although the action takes place between 1887 and 1898. It is a semi-autobiographical work divided into two symmetrical parts (I-III and V–VII) separated by a long philosophical conversation between the protagonist and his uncle, doctor Iturrioz (IV).