Llibres del Mirall is an antiquarian and second-hand bookshop based in Barcelona, founded in 1995. It specializes in first editions of modern art and literature and maintains a collection of approximately 13,000 books. Sales are conducted mainly through its catalogues and online store, where readers can browse new arrivals, themed categories, geographical listings, special offers, and a complete catalog.

The selection spans a wide range of subjects, including art, architecture, music, cinema, photography, and graphic design, as well as Catalan, Spanish, Latin American, and other international literature. Its holdings also cover poetry, novels, essays, theatre, comics, philosophy, history, politics, science, travel, religion, and book collecting. Collectors and curious readers can find antique and used volumes, including first editions, illustrated books, signed material, and bibliophile works. The website supports searches by title, author, or keyword and provides information about ordering and delivery. Llibres del Mirall also shares cultural content through its journal and offers a newsletter, presenting a broad resource for discovering distinctive books and specialist subjects.