Young Adult Dystopian Book Trilogy. ISBNs: 978-0-7653-2958-5 978-0-7653-2959-2 978-0-7653-2960-8 Used. Hardcovers. Third book was out of print and purchased from a library. Pages have yellowing from age but these still have a lot of life in them. Binding is in good condition. I want to keep these together as a set.