Introduction to Unmanned Aircraft Systems – Second edition D. M. Marshall et al CRC Press, Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL, 33487-2742, USA. 2016. Distributed by Taylor & Francis Group, 2 Park Square, Milton Park, Abingdon, OX14 4RN, UK. 377pp. Illustrated. £82. (20% discount available to RAeS members via www.crcpress.com using AKQ07 promotion code). ISBN 978-1-4822-6393-0.