Without risk, say mountaineers, there would be none of the self-knowledge that comes from pushing life to its extremes. For them, perhaps, it is worth the cost. But when tragedy strikes, what happens to the people left behind? Why would anyone choose to invest in a future with a high-altitude risk-taker? What is life like in the shadow of the mountain? Such questions have long been taboo in the world of mountaineering. Now, the spouses, parents and children of internationally renowned climbers finally break their silence, speaking out about the dark side of adventure.

Maria Coffey...