Moonsick is a pulse-pounding YA horror debut perfect for fans of 28 Days Later and werewolf thrillers. High school senior Heidi Mills expects a carefree weekend, but when intruders invade her home during a full moon, her life is thrown into chaos. One bite changes everything, plunging her into the terrifying world of the lupino virus. With a mysterious ally by her side, Heidi must race against time to survive and find a cure before the next full moon—discovering that in a post-pandemic world, the deadliest monsters aren’t always the ones with claws.

Tom O'Donnell is a YA author specializing in thrilling, fast-paced horror with relatable teen characters, blending suspense, action, and supernatural elements to keep readers on the edge of their seats.