There are 2 books in the Detectives in Togas series.
The Detectives in Togas series does not have a new book coming out soon. The latest book, Mystery of the Roman ransom (Book 2), was published in January 1977.
The first book in the Detectives in Togas series, Detectives in Togas, was published in November 2002.
The Detectives in Togas series primarily falls into the General Fiction genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.