This new book, under the impressive editorship of Thomas Boylan and Paschal O'Goram, explores a number of major themes central to the work of Karl Popper. The tensions that have resulted from Popperian thought are well documented--how can mainstream orthodox economics be falsifiable while priviledging its core of rationality as unquestionable? The beauty of this book lies in the expert contributions from thinkers such as Tony Lawson, K. Vela Velupillai and John McCall who discuss this issue with renewed academic rigor.