"This is Not a Test" is a young adult novel by Courtney Summers that explores themes of survival and resilience. The story follows a group of teenagers who find themselves trapped in a high school during a zombie apocalypse. As they face the threat of the undead, they must confront their fears and work together to survive. The narrative focuses on the character of Sloane, who struggles with her own personal demons while trying to protect her friends. The book delves into the complexities of friendship, loyalty, and the choices people make in dire situations, highlighting the human experience in extreme circumstances.