Ida is a 2017 young adult novel by Alison Evans. Set in the Dandenong Ranges, it tells the story of Ida Wagner, a young person who begins to encounter her own doppelgängers and realises she can both travel through short increments of time and also shift between parallel universes at will. Many of the novel's characters are transgender, including Daisy who is genderqueer and Frank who is transmasculine.