Testing Large Ultra-Lightweight Spacecraft. Progress in Aeronautics and Astronautics series – Vol 253Edited by J. A. Banik and C. H. Jenkins American Institute of Aeronautics and Astronautics, Reston, VA, USA 2017. Distributed by Transatlantic Publishers Group, 97 Greenham Road, London, N10 1LN, UK. £116. (20% discount available to RAeS members on request; email: mark.chaloner@tpgltd.co.uk). ISBN 978-1-62410-464-0.