Quick answers

What is Let the right one in about?

Twelve-year-old Oskar is obsessed by the murder that's taken place in his neighborhood. Then he meets the new girl from next door. She's a bit weird, though. And she only comes out at night--Publisher's description.

When was Let the right one in published?

Let the right one in was published in 2008.

Who made Let the right one in?

Let the right one in was written by John Ajvide Lindqvist.