"Songs of Johann Herttuan and Catherine of Jagiellon" is a collection of poems by the Finnish writer Eino Leino, which is a selection of poems dedicated to historical figures of the 15th century. The author empathizes with the characters and describes their feelings, demonstrating great ability to capture emotions and reproduce them in poems. Through masterful language and a variety of poetic images, Leino's book creates an atmosphere of melancholy and exaltation, inviting the reader to feel a deep connection with the history and spirit of the past.