He is the author of Offa’s Dyke (Gomer/BBC Wales, 2006), and is a former Offa’s Dyke Trail Officer. He has also published Natur y flwyddyn, a book of nature photographs (Gomer 2007), and regularly lectures about his photography, which has been published by Aurum, Chatto, Penguin, Thames & Hudson, BBC History, Heritage Magazine and the Countryside Council for Wales, as well as newspapers.