The Secret at the Gatehouse

I A Mysterious Message II Vicious Dogs III Lettie's Prank IV An Accusation V A Bold Reporter VI The Extra Key VII Ruined Costumes VIII The Strange Visitor IX The Stolen Luggage X A Deceiving Signature XI An Exciting Night XII Badger's Adventure XIII The Wall Panel XIV A Disguise XV An Important Clue XVI The Chase XVII A Scoop XVIII The Lost Map XIX Costly Delay XX Snowbound XXI Lost XXII Inside the Safe XXII The Secret at the Gatehouse XXIV Prisoners XXV A Vital Revelation