Librería La Biblioteca is a quaint used bookstore located near the main entrance of El Retiro Park. This bookstore is known for its extensive collection of second-hand books, covering a wide range of genres and topics. Whether you're interested in fiction, history, science, or art, Librería La Biblioteca has something to offer. The cozy interior and knowledgeable staff create a warm and inviting atmosphere, making it a perfect spot to browse for your next literary adventure.