Mr. Westerby Missing

Mr. Westerby Missing is a 1940 detective novel by the British writer Cecil Street, writing under the pen name of Miles Burton. It was the twenty-second in a series of books featuring the detective Desmond Merrion and Inspector Arnold of Scotland Yard. It was published in the United States by Doubleday the same year.
In The Observer Maurice Richardson considered it as "another of Mr. Burton’s sound patient investigations" while in his New York Times review Isaac Anderson noted "Miles Burton has written many good mystery stories, and this is one of his best".

Synopsis

John Westerby, a keen ornithologist living in a peaceful village, goes missing one November evening with a large sum of money in his possession. The case perplexes Inspector Arnold who can't work out if Westerby has suffered an accident, committed suicide, has been murdered, or is still alive. As so often it takes the assistance of his friend Merrion to crack the case.