Dunn's debut young adult novel, Forget Tomorrow, the first in a series, is set in a sci-fi world in which people can see their own future, where sixteen-year-old Callie sees herself murder her own sister. It was published by Entangled: Teen in 2015 and hit the New York Times Young Adult E-Books Bestseller List at #4. The second book in the series is set ten years later and follows Jessa, Callie's sister, while she tries to prevent a massacre. It was published in 2016. A prequel to the series, Before Tomorrow, was also published in 2016. The third book in the series, Seize Today, was published in 2017.
