''Agaton Sax and the Diamond Thieves'' ( sv, Agaton Sax och de slipade diamanttjuvarna; published in English in 1965) is a book about detective

Agaton Sax Agaton Sax is the protagonist of a series of Swedish-language humorous detective novels written for children by Swedish author Nils-Olof Franzén and illustrated by Åke Lewerth. The English editions were illustrated by Quentin Blake. The novels ...

by Swedish author Nils-Olof Franzen. It was the first of the series to be published in English.

Plot summary

The Koh-Mi-Nor diamond is stolen and a very clever thief is putting messages about it, in a secret code, in the personal column of the newspaper published by the Swedish detective Agaton Sax.

References

1959 Swedish novels 1959 children's books Swedish children's novels Children's mystery novels Swedish mystery novels {{1950s-child-mystery-novel-stub