Angie Sage is an English author renowned for her contributions to children's literature. She was born on 20 June 1952 in London, England and grew up in the Thames Valley, London, and Kent. Her father, a publisher, would bring home blank books which she filled with pictures and stories.

Angie initially pursued a career in medicine but later changed her path to study Graphic Design and Illustration at Art School in Leicester. This change led her to a career in illustrating children's books, and she eventually began writing them as well.

She is best known for her popular Septimus Heap series, which includes titles such as Magyk, Flyte, Physik, Queste, Syren, Darke, and Fyre. Additionally, she wrote the TodHunter Moon series and the Magykal Papers. Angie is also credited as the new writer of the Araminta Spookie series.

Her work has captivated many young readers and continues to be an influential part of children's literature.