, 2012a, Introduction, in N. Joll (ed.), Philosophy and the Hitchhiker's guide to the galaxy, Basingstoke, Palgrave Macmillan, pp. 1-24.
, 2012b, Mostly harmless?: Hitchhiker's and the ethics of entertainment, in N. Joll (ed.), Philosophy and the Hitchhiker's guide to the galaxy, Basingstoke, Palgrave Macmillan, pp. 50-72.
with Pawlak, A. , 2012, The funniest of all improbable worlds: Hitchhiker's as philosophical satire, in N. Joll (ed.), Philosophy and the Hitchhiker's guide to the galaxy, Basingstoke, Palgrave Macmillan, pp. 236-268.
(ed) , 2012a, Philosophy and the Hitchhiker's guide to the galaxy, Palgrave Macmillan, Basingstoke.