-groups and the study of their automorphism groups.
This book is aimed at graduate students (or teachers of graduate students) interested in a class of examples of torsion-free infinite groups with elements and composition that are easy to describe and work with, but have unusual properties and surprisingly small presentations in terms of generators and defining relations.
Robert Bieri: Johann Wolfgang Goethe-Universität Frankfurt, Frankurt am Main, Germany,
Ralph Strebel: Université de Fribourg, Fribourg, Switzerland