'... will be of interest to all those working in the field of massive-star research, to get people, including new students, up to speed in the latest developments, both in theory/modelling and observations ... a must for libraries.' The Observatory
IAU S272 presents an overview of the latest research into active OB stars. Experts discuss the cutting-edge observations, state-of-the-art modeling and recently developed techniques that have improved our understanding of these objects. This is a useful resource for all those interested in extreme physical processes in active OB stars.