The book "Question and Answer" is a novel written by "Patrick Ness", which was first published in 2009. Two teenagers named "Tod" and "Viola" have taken refuge in the city of "Hyun" after escaping from a scary and anti-ideal city called "Prentice Town". However, they soon find out that the mayor of "Prentice Town", an evil but powerful and charismatic man, has arrived earlier than them and plans to gain control of the entire planet.