Justine Larbalestier was born and raised in Sydney and is the author of the Magic or Madness trilogy, How to Ditch Your Fairy and Liar, which won the YA Western Australian Premier's book award, the YA Sisters in Crime Davitt Award and was shortlisted for the CBCA Older Readers award, among many other honours. Justine also edited a scholarly collection of feminist science fiction in the twentieth century, Daughters of Earth, and is co-editor, with Holly Black, of Zombies vs Unicorns and co-author, with Sarah Rees Brennan, of Team Human.Sarah Rees Brennan is the author of The Demon's Lexicon Trilogy. She was born and raised in Ireland. After college she lived briefly in New York and somehow survived in spite of her habit of hitching lifts in fire engines. Since then she has returned to Ireland to write future adventures.