并列题名：Mystery in the channel Mystery in the channel 并列题名：Mystery in the barn 并列题名：Mystery in the palace 并列题名：Riders in the chariot 并列题名：Mystery in the Vinter Palace 并列题名：Gights in the tunnel 并列题名：Mystery in white 并列题名：Sales is to do the channel 并列题名：Mystery of the colour thief