Philosophy and the Real World: An Introduction to Karl Popper
very good book
Confessions of a Philosopher: A Personal Journey Through Western Philosophy from Plato to Popper (Modern Library Paperbacks)
Popper Selections
The Structure of Scientific Revolutions: 50th Anniversary Edition
Ultimate Questions
Objective Knowledge: An Evolutionary Approach
The Master and His Emissary: The Divided Brain and the Making of the Western World
What's Behind the Research?: Discovering Hidden Assumptions in the Behavioral Sciences
Conjectures and Refutations: The Growth of Scientific Knowledge (Routledge Classics) (Volume 17)
The Logic of Scientific Discovery
Thinking in Time: An Introduction to Henri Bergson