On this week's Book Show on RTÉ Radio 1, Rick O'Shea hears about some of the 'perverse pilgrimages' embarked upon by Mark O'Connell in his search for how best to survive the apocalypse - listen above.

Elsewhere, Liz Nugent is quizzed by the Tuesday-Thursday Book Club in Tramore about her bestseller Skin Deep and Stefanie Preissner has the week's news.

The Book Show, RTÉ Radio 1, Sundays at 7pm - subscribe to the podcast (which comes with extended interviews and other bits and bobs) here.