"Alien" is Amy Gentry's debut novel, published in the United States in 2016. This impressive thriller with psychedelic elements is not so much about crime as about the difficult search for truth, despair and overcoming doubts. Eight years ago, Julia, Anna's thirteen-year-old daughter, was kidnapped by an unknown person. All attempts to find the girl were in vain, but one evening the doorbell rings, and an almost adult Julia appears on the doorstep...