Ten is a horror-mystery novel by noted Young-Adult author Gretchen McNeil. It was published in 2012 and since then has been translated into multiple languages.
The protagonists of Ten are Meg and Minnie, two best friends who are eager to attend a house party taking place on an isolated island. However, once they get there, things become much more sinister very quickly. As a storm rages on, people begin dying, and it is up to Meg to find the killer before they can get to her.
Ten was well-received by readers, who praised McNeil's suspenseful prose that carried the story to its heart-racing finish. It was been adapted into a Lifetime movie that premiered September 2017.