 Boscán died on 21 September 1542 after becoming ill in Perpignan, while he was preparing some of his poetry for publication.Joan Boscà's most famous works appear in "Las obras de Boscán y algunas de Garcilaso de la Vega repartidas en quatro libros" ("The Works of Boscà and Some of Garcilaso de la Vega Divided in Four Volumes").In volume three, this includes "Leandro y Hero" (Leander and Hero), based on an ancient Greek fable and "Ottava Rima" (Royal Octave).