In this cluster, the children are faced with an imminent attack from the evil Dr X and his robot army - find out what happens in the two part adventure The X-bots are Coming... and Attack of the X-bots! In Lone Wolf, Grey, the wolf cub, is lost in the forest - find out how he survives without his family to defend him. Also, find out more about human defences used throughout history in the two non fiction books, Under Attack andStrong Defences.