Here’s an academic book review (link above) of interest to fans of preaching in sign language. A quote from the review, which is by Istvan Aranyosi:
Zdravko Radman has put together a fascinating collection of nineteen interdisciplinary essays that view the hand from philosophical, cognitive-developmental, medical, and evolutionary perspectives. The book is unique in highlighting the crucial role of the hand in virtually all areas pertaining to our mental life.
Roughly half of the essays offer a distinctively philosophical approach, combining two recent approaches in the philosophy of mind and cognitive science. . . The essays’ common thread is the attempt to persuade the reader that classical phenomenology and non-classical cognitive science can be successfully applied to the hand, enriching these areas and offering new insights.