"Impressions of Spain" is a travelogue by James Russell Lowell, an American Romantic poet, critic, and diplomat. The book is based on Lowell's travels through Spain in the late 19th century and offers a detailed and vivid portrayal of Spanish life, culture, and landscapes. It is a collection of letters written to his wife, giving readers an intimate look at the country through the eyes of an observant and thoughtful traveler.