"The First Fifteen Lives of Harry August" is a science fiction novel written by Claire North and published in 2014. The story follows the character of Harry August, a man who is able to live his life over and over again, retaining all of his memories and knowledge from each life. The novel explores the concept of immortality and the impact it has on an individual's choices and relationships. As Harry becomes embroiled in a sinister plot, he must use his unique abilities to uncover the truth and protect those he cares about. The novel is known for its richly drawn characters and thought-provoking themes, and it has been critically acclaimed for its exploration of the nature of time, memory, and identity. The novel won the World Fantasy Award for Best Novel in 2015. Claire North is the pseudonym of Catherine Webb, a British author known for her speculative fiction novels.