Bill Bergson, Master Detective (original Swedish title Mästerdetektiven Blomkvist) is a children's novel by Astrid Lindgren. It is the first in the series about the Swedish boy detective, in English translation named Bill Bergson (Swedish name: Kalle Blomkvist).
Plot summary Bill Bergson investigates his friend's mysterious cousin, who is behaving suspiciously, and solves the mystery of a jewel robbery.
Bill and five of his friends also play a mock war game, with the White Roses and the Red Roses vying for possession of an unusual stone.
Film A film based on the book, Bill Bergson, Master Detective, was produced in 1947.
References Bill Bergson, Master Detective on the Astrid Lindgren website Bill Bergson, Master Detective English editions at WorldCat
ja:名探偵カッレくん