Double LifeBook - 2005
After finding a mysterious stone and an old casebook, fourteen-year-old Arthur finds himself remembering the 1936 adventures of a boy named Art who, under the identity of the Invisible Detective, works with three friends in London to solve the mystery of sinister puppets who are replacing real people.
Publisher: New York : G.P. Putnam's Sons, 2005
Characteristics: 204 p. ; 19 cm