"Arboles Comunes de Puerto Rico Y Las Islas Virgenes" by Frances W. Horne, published in 1967, is a book written in Spanish that focuses on the common trees found in Puerto Rico and the Virgin Islands. The author provides detailed information about various tree species, making it a valuable resource for those interested in the natural beauty and biodiversity of the region. With a specific focus on the trees of Puerto Rico, this book offers readers a deeper understanding of the unique flora that can be found in these tropical islands.