In Spanish and Portuguese physical books are still the norm. If you find something you like, look at the books near it on the shelf. Surely there's another that's equally interesting. Check out Zimmerman's 3rd floor for these call numbers:
PC=Linguistics, PCPC3801-PC5498
PC4001-4071 Spanish Philology
PC4073--4977 Spanish Language
PC5001-5041 Portuguese Philology
PC5043-5498Portuguese Language
PQ = Spanish-language Literature, PQ6001-8929
PQ6007-PQ7011 Spain
PQ7070-7079 US and Canadian authors of Spanish works
PQ7296.A-Z–PQ8550.436 Latin American Literature
PQ9000-9999 = Portuguese-language Literature
PQ7880-7889.3 Brazil
PQ9000-9499 Portugal