Leighton Gage is an author of crime fiction best known for the Chief Inspector Mario Silva Investigations series of novels set in Brazil. He was inspired to write these novels after spending over 20 years living in Sao Paulo, Brazil, and being immersed in the Brazilian culture. His books have been translated into a number of languages. There are currently four books in print, and the whole collection is known as "The Chief Inspector Mario Silva Investigations". The books cover a vast array of subjects, including underage prostitution, organ theft, snuff videos, and much more.