The Mysterious Disappearance of Aidan S.The wonderful debut middle grade novel by New York Times bestselling author David Levithan. Aidan disappeared for six days. Six agonising days of searches and police and questions and constant vigils. Then, just as suddenly as he vanished, Aidan reappears. Where has he been? The story he tells is simply impossible. But it's the story Aidan is sticking to. His brother, Lucas, wants to believe him. But Lucas is aware of what other people, including