Jos Saramago 
Double [EPUB ebook] 
(Enemy)

Watching a rented video, Tertuliano Maximo Afonso is shocked to notice that one of the actors is identical to him in every physical detail. He embarks on a secret quest to find his double and sets in motion a train of events that he cannot control. Saramago’s novel explores the nature of individuality and examines the fear and insecurity that arise when our singularity comes under threat, when even a wife cannot tell the original from the imposter…