Miranda Horvath and Jessica Woodhams have assembled an impressive array of material making innovative and prescient contributions when thinking about and tackling the emergent problem of multiple perpetrator rape.Professor Jennifer Brown, London School of Economics and Social Sciences, UK.A brilliant collection of academic and practitioner views on a newly emerging, and highly interesting, research agenda. A very welcomed addition to a specialised area of sexual violence perpetration.Dr. Afroditi Pina, Lecturer in Forensic Psychology, University of Kent, UK.