You'll find English-language books, newspapers and magazines at the stalls along the Ramblas, and a good selection of English-language books (novels and general titles unless otherwise stated) at the following stores.
Altair,
c/de Balmes 69; Metro Passeig de Gràcia. Travel and sailing specialists.
Antinous,
c/Josep Anselm Clavé 6; Metro Drassanes. Gay bookshop (mainly Spanish titles) alongside a gift shop and coffee bar, this is a good place to come to find out about gay events.
BCN,
c/Roger de Llúria 118; Metro Diagonal. Good selection of novels and TESL books.
Casa del Llibre,
Pg de Gràcia 62, Eixample ; Metro Passeig de Gràcia. Barcelona's newest book emporium, strong on literature and humanities with lots of English titles.
Come In,
c/Provença 203; Metro Passeig de Gràcia. Disorganized TESL bookshop but with English-language novels. Closed Aug.
Cómplices,
c/Cervantes 2; Metro Jaume I. Gay bookshop with novels and magazines in English.
Crisol,
Rambla de Catalunya 81, Eixample; Metro Passeig de Gràcia. Magazines, books and music - open until 1am.
Guia-Llibreria de Viatges,
Travessera de Gràcia 146, Metro Diagonal. Small bookshop specializing in travel books, maps and guides. Closed Aug.
Happy Books,
c/Pelai 32 and Pg de Gràcia 77, Eixample; Metro Universitat, Catalunya or Passeig de Gràcia. Good travel and dictionary sections as well as some other English-language titles. Generally the best prices and some very good sales.
Laie,
Pau Claris 85 . Bookstore with excellent selection of humanities and literature and lots of English-language titles. Café/restaurant and jazz venue upstairs.
Llibreria Mallorca,
Rambla de Catalunya 86, Eixample; Metro Passeig de Gràcia. Big selection of British and American newspapers and magazines.
Llibreria Pròleg,
c/Dagueria 13; Metro Jaume I. A women's/feminist bookshop, though with most works in Spanish/Catalan. Just off c/Jaume I. Closed Aug.
Llibreria Quera,
c/Petritxol 2; Metro Liceu. Maps and trekking guides in a cramped little Barri Gòtic store. Closed Sat in Aug.
Makoki Comix,
Pl Sant Josep Oriol; Metro Liceu. Comics.
Món Obert,
Ptge d'Escudellers; Metro Drassanes. A small mainly Catalan selection of books and magazines, but a nice space with a café and restaurant.
The Book Store,
c/la Granja 13, Gràcia; Metro Fontana. Secondhand English-language bookshop which operates a credit system if you return books, or bring them to sell. Also a video club. Closed Aug.