As Simple As Snow - Gregory Galloway

In this mystery novella, the story is narrated by a high school boy, who meets a Gothic girl, Anne Cayne. She is unlike any other girl, who likes to write obituaries for all the living townspeople, interested in ghosts, Houdini tricks and codes and puzzles. The narrator becomes totally absorbed in a whole new world. But then, one week before Valentine's day, Anne Cayne disappears, leaving a hole in the frozen with her dress neatly folded next to it. The narrator goes on a search for Anne with all the clues left in the mixtapes she made, the shortwave radio channels, ...

But this book isn't anything you expected like other books. There is no definite answer to this mystery, but you can use the clues left in the book to find out what happened to Anne yourself.