"Pet Sematary" is a horror novel by Stephen King that explores the themes of grief and the consequences of tampering with life and death. The story follows a family that moves to a rural town and discovers a mysterious burial ground for pets. When tragedy strikes, the father, Louis Creed, learns that the ground has the power to bring the dead back to life, but at a terrible cost. As Louis grapples with his decision to use the burial ground, he faces horrifying consequences that challenge his understanding of love and loss. The novel delves into the dark side of human nature and the lengths one might go to in order to avoid losing a loved one.