Miss Benson's beetle

"It is 1950. London is still reeling from World War II, and Margery Benson--a sensible schoolmarm and lonely spinster--is just trying to get through life. But one day, she reaches her breaking point, abandoning her job and her tidy, circumscribed life, to set out on an expedition to the other side of the world in search of an insect that may or may not exist: the golden beetle of New Caledonia"--Provided by publisher.