On the outside, August looks like a normal young woman, but inside she battles severe anxiety and depression. When August's troubled sister, Amena, starts exhibiting strange behavior, August develops an unhealthy obsession with saving her.

Living at home with her parents and sister, August feels like life is boring and lonely. She struggles fitting in to the preconceived molds that others place on her. Then, she meets the local bookstore worker, Andrew. A good-hearted old soul, Andrew lifts August's spirits. For the first time in what feels like her entire life, August thinks she is learning what it is like to experience true happiness.

As August's life takes a turn for the better, her sister Amena begins to act increasingly strange. Amena makes despicable outbursts and comes home with prominent bruises. Desperate to find out who or what is hurting her sister, August puts her own mental health struggles aside to search for the truth. The deeper August digs, the more she realizes that the truth could be the most painful thing she's ever uncovered.

A wild, roller-coaster emotional ride, What You Don't See will appeal to fans of suspense, drama, and thrilling mystery. What You Don't See shares a heartbreaking and hopeful story of two sisters who learn firsthand the damage that guilt can do. Readers who share in August's journey will be uplifted by her strength to move forward. Full of unexpected twists, What You Don't See will keep readers guessing until the final chapter.