Book excerpt: Duck Macatarsney cares for her biker dad, Duke, whose MS is getting worse. Duke is a spliff-smoking (for medicinal reasons you understand), bike-riding, heavy-metal- and horror-movie-loving, pizza-eating widower who has brought up Duck since the death of her mum in a crash. The two of them are just about surviving when one morning the Duke wakes up blind and the Duck hears Social Services are coming to take her away.The Monster in the Hall follows Duck as she tries to protect her world from the terrifying prospect of change.David Greig's The Monster in the Hall premiered at the Citizens Theatre, Glasgow, in autumn 2010, and was staged at the Traverse Theatre, Edinburgh in 2011 as part of the Edinburgh Festival Fringe.