Librería Arco Iris is a bookstore and stationery shop located on Julio Longinos 22 in Calahorra, La Rioja. It offers books for children, young readers and adults, alongside titles on personal growth, magazines, gifts and design products. Customers can order school textbooks from any publisher for any school or institute, with discounts available from June, and the shop also buys and sells second-hand textbooks. Its stationery range includes office supplies from well-known brands, with special items available to order.

The store provides practical services for students, families and local customers, including document copying, scanning, faxing, email access, bookbinding and laminating in several sizes and finishes. It also offers photo development and high-quality digital photo printing, plus mobile phone and gift-card top-ups for services such as PlayStation, Xbox and Amazon. Librería Arco Iris shares book recommendations and reading-related articles through its blog, helping customers discover new stories and ideas.