From the reviews: The authors of the book under review aim to collect what can be said in the same way about finite groups, soluble or not. ... The book is very helpful for the reader to obtain information on recent results, a valuable source for anybody doing research in this area. ... The style is similar to that of the series of 'Ergebnisberichte' with informative proofs and some direct references to the literature. (H. Heineken, Mathematical Reviews, Issue 2007 e)