Alternative Ways of Organising Armed Force - The Morality of Private War: The Challenge of Private Military and Security Companies James Pattison (Oxford: Oxford University Press, 2014), 258 pp., ISBN: 978-0199639700 - Mercenaries, Hybrid Armies and National Security: Private Soldiers and the State in the 21st Century Caroline Varin (Abingdon: Routledge, 2014), 176 pp., ISBN: 978-1138779488
