If there is one trend in children's and YA literature that seems to be enjoying a steady rise in popularity, it is the expansion of the YA dystopian genre. While the genre has been lauded for its potential to expand horizons, promote critical thinking, and foster social awareness and activism, it has also come under scrutiny for its promotion of specific ideologies and its often sensationalist approach to real-world problems. In an examination of six YA dystopian texts spanning more than twenty years of development of the genre, this book explores the way in which posthumanist ideologies in particular are deployed or resisted in these texts as a means of making sense of the specific challenges which young people confront in the twenty-first century.