In April 2010 it was announced that Wells had signed a 3-book young adult deal with HarperTeen. The first novel "Variant" is a young adult science fiction novel set in a boarding school in New Mexico. It has one sequel, "Feedback"; it is not a trilogy. Wells's third book with HarperTeen, "Blackout" was announced in Publisher's Marketplace as being the first of a series, including two novels and a novella, and was released in Fall 2013. The sequel, "Dead Zone" was released a year later. Wells's latest book with HarperTeen is titled "Dark Energy".