The Detective is Already Dead. (探偵はもう 、死んでいる。 Tantei wa Mou, Shindeiru.?, La detective está muerta.), abbreviated as Tanmoshi (たんもし?), is a light novel series written by Nigozyu and illustrated by Umibozu.
As of February 2021, the series has sold more than 300,000 copies. It ranked 4th place in 'Kono Light Novel ga Sugoi!' 2021. The light novel is licensed in North America by Yen Press.
- See: List of Light Novel Volumes
- See: List of Short Stories