Livro do Desassossego

It resists all three labels cleanly. Fernando Pessoa called it a "factless autobiography" and left it as hundreds of untitled fragments — diary-like entries, prose poems, and philosophical reflections — with no plot and no fixed reading order. Editors have arranged the fragments differently across editions; Wikipedia and most libraries file it under fiction, as a modernist novel, since its narrator, Bernardo Soares, is one of Pessoa's invented literary personas rather than Pessoa himself.

Bernardo Soares is a fictional assistant bookkeeper in Lisbon, and the credited author and narrator of the book. Pessoa called him a "semi-heteronym" — unlike his fully separate invented authors (such as Alberto Caeiro or Ricardo Reis), Soares shares much of Pessoa's own temperament and biography, described as "a mutilation" of Pessoa's personality rather than a wholly distinct one.

No. Pessoa worked on it on and off for over twenty years, from around 1913 until his death in 1935, and left behind an unorganized trunk of fragments with no final sequence. It was never published in his lifetime; the first edition was assembled and published by Portuguese scholars only in 1982, 47 years after his death, and later editors (including Richard Zenith and Jerónimo Pizarro) have produced different orderings of the same fragments.