When a trio of desperate convicts hijack a bus carrying a group of deaf and mute schoolgirls, everyone is braced for a terrible tragedy.

FBI agent Arthur Potter is flown in to negotiate. But he has competition: local police, state troopers, politicians and the media are swarming. Not everyone has the same agenda.

And the killers will murder one innocent child an hour, on the hour, until their demands are met…

'A real chiller, seething with violence and heart-stopping tension’ Sunday Telegraph