Plus: Contributions to other books, collections

A chapter, " 'We were nowhere. We’ve got somewhere.’ Does Laudato Si’ go far enough, and is the Church on board for the climate journey?" in Laudato Si' and the Environment: Pope Francis' Green Encyclical,  edited by Robert McKim, (Routledge, 2020)

​A foreword to The Postcolonial Traveller: Kate O'Brien and the Basques by Aintzane L. Mentaxa (Academica Press, 2016)

A chapter, "Using terror against terrorists: the Spanish experience", in The Politics of Contemporary Spain, edited by Sebastian Balfour (Routledge, 2005).

Co-authored chapters, including "Restoring Natural Capital: a Reflection on Ethics",  to Restoring Natural Capital: Science, Business and Practice, edited by James Aronson, James Blignaut and Sue Milton (Island Press, 2007)

An essay, "Stoneybatter, Saints and the Instability of History", to Town Stitched by River, an anthology of work by Irish writers on the Iowa Writers' Program, edited by Alan Hayes and Christopher Merrill (Dublin UNESCO City of Literature, IWP, Iowa City UNESCO City of Literature, 2014).

A Foreword to Travels in Wicklow, West Kerry and Connemara, by JM Synge (Serif, 2004)

A short story, "Striking Hours", to True to Type, a collection by Irish Times journalists in memory of Stephen Hilliard (Irish Times Books and Sugarloaf Publications, 1991)

A radio essay, "My First Basque Village", to A Treasury of Sunday Miscellany, ​edited by Marie Heaney (RTE and New Island, 2009.