An old man living in post-Roman Britain recalls his life and times.

This is a novel about human evolution. And how does that work exactly? Read the book.

This book demonstrates the prospects for enhancing thickening or dewatering of sewage sludges and outlines some of the methods which might come into consideration. It is based on the proceedings of a 'round-table' meeting held at Bilthoven, The Netherlands, in April 1985.