J.K. Rowling is a British author best known for creating the Harry Potter series, the seven-book fantasy saga that follows Harry, Hermione, and Ron from a hidden magical school into a larger struggle over power, prejudice, loyalty, death, and moral... choice. Beginning with Harry Potter and the Philosopher’s Stone, the series became one of the most influential works of modern children’s and young adult fiction, admired for its immersive world-building, emotional growth, and increasingly complex long-form structure. Rowling later expanded the wizarding world through companion works and screen-related projects, while also writing the Cormoran Strike crime novels under the pen name Robert Galbraith. Her bibliography is defined by memorable characters, secrets, institutions, friendship, and stories that grow darker and deeper as their worlds widen.