. . . "Mystery fiction" . "Why should someone kill an old man who devotes himself to breeding tropical plants? And how does his murder link up with a blackmail demand made to the Minister of State at the Foreign Office? Colonel Blair becomes involved in the case, and his investigations lead him to Africa in pursuit of a triple murderer." . . . . "Colonel Peter Blair must help the local police solve the murder of innocuous Eustace Quenenden when the case proves to have larger ramifications." . . "Apple spy in the sky"@en . "Death in the greenhouse" . . "Death in the greenhouse"@en . . "Gently between tides"@en . . . . . . . "Fiction" . . . . . . . "Fiction in English." . .