The Honourable Artillery Company has recently published this handsome photographic book commemorating the service of HAC units in the First World War: Reflections of a Regiment: the Honourable Artillery Company and the Great War in Pictures. Price £35 plus p&p. You can order direct from the HAC via Cristina Kennedy on 020 7382 1537, emailing her onhac@hac.org.uk , or order online here >>>.  (The book is also available via Amazon).