num_pages: 160
description: After finding a mysterious stone and an old casebook, Arthur recalls the 1936 adventures of a boy named Art who, under the identity of the Invisible Detective, works to solve the mystery of sinister puppets who are replacing real people.
language: English
title: Invisible Detective: Double Life
titlecomplete: Invisible Detective: Double Life (The Invisible Detectives)
genres: Young Adult, Childrens, Science Fiction, Mystery
ratings_count: 64
publisher: Putnam Juvenile