After his mother's death and his brother's departure for the war, Stanley's relationship with his father is in a state of disarray. To escape his problems, Stanley runs away to train as an army messenger dog handler and is soon on his way to the trenches. In spite of the horrors he faces, Stanley comes to realise his dog is his one true friend. But can he still repair his relationship with his father? This Rollercoasters school edition is published in a durable flexi-cover format, proven to last longer in the classroom.