(W) Mark Waid (A) Minck Oosterveer She has solved every mystery known to man. But there is one mystery that remains unknown! Revered as the smartest person alive, Catherine Allingham is the world's most famous private investigator. Follow her adventures as she sets out to solve the one mystery she's never been able to crack! Join Mark Waid and international superstar Minck Oosterveer as they tell Catherine's last tale. Or do they?