John Ajvide Lindqvist (John Erik Ajvide Lindqvist) is a Swedish author who grew up in Blackeberg, the setting for Let the Right One In . Wanting to become something awful and fantastic, he first became a conjurer, and then was a stand-up comedian for twelve years. He has also written for Swedish television.

His Let the Right One In was a bestseller in Sweden and was named Best Novel in Translation 2005 in Norway. He also is the author of Handling the Undead and Harbor .

It is autumn 1981 when the inconceivable comes to Blackeberg, a suburb in Sweden. The body of a teenage boy is found, emptied of blood, the murder rumored to be part of a ritual killing. Twelve-year-old Oskar is personally hoping that revenge has come at long last—revenge for the bullying he endures at school, day after day.

But the murder is not the most important thing on his mind. A new girl has moved in next door—a girl who has never seen a Rubik’s Cube before, but who can solve it at once. There is something wrong with her, though, something odd. And she only comes out at night....