Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
A brilliant exposition of Popper’s theory of knowledge, this Routledge Classics edition includes a new Introduction by Jeremy Shearmur, which provides some helpful context to Objective Knowledge and Popper’s philosophy in general.