Kate Griffin is a British author known for her work in the fantasy genre. She is particularly recognized for her series featuring the character Matthew Swift, a magician in a modern-day London filled with magical elements. Her writing often blends urban fantasy with elements of mystery and adventure. In addition to her novels, Kate Griffin has also written under the pen name Catherine Webb. She has published several young adult books and has received praise for her imaginative storytelling and engaging characters. Her works contribute to the growing popularity of fantasy literature in contemporary publishing.