Abstract
Thora Margareta Bertilsson's book is an extended edition of her doctoral dissertation originally written in 1978, with a new foreword and preface and one new chapter. The thematic link between her original text and the new texts in the book is Charles Peirce's Theory of Inquiry. Yet, whereas the original text focuses on the relevance of Peirce's theory for the social study of science, the new contribution also focuses on Peirce's relevance for sociology and social theory more generally. This shift of focus may partly be seen in the light of recent developments in the fields to which Bertilsson applies Peirce, but it is also due to recognition on her part that Peirce's relevance may extend to new areas of ..