Christina McDonald is a British writer who specializes in the psychological thriller genre. She is known for her captivating novels that deal with the themes of family secrets, loss, and human frailty. Her debut novel "The Night Olivia Fell" gained popularity due to its tense plot and unexpected twists that keep the reader in suspense until the last page. Macdonald often takes inspiration from real events, combining them with fictional elements to create psychologically rich stories.