The present book is a pioneering work on earthworm biology, ecology and tool for vermitechnology. This up-to-date and comprehensive text and reference book through its integrated interdisciplinary approach deals with various facets and dimensions of soil biodiversity, earthworm biology, ecology and their utilization in biotechnology vermitechnology. The writing style is lucid with ample illustrations with up-to-date review on different aspects of vermitechnology. This book provides the detailed technical edge in the subject.