Angie Sage is a British author and illustrator. She is the author of two fantasy series (Septimus Heap and Araminta Spookie). Her first novel, Magyk (book 1 of the Septimus Heap series), was published in 2005.
The official Septimus Heap website can be found here.
Risingshadow.net has had the honour of interviewing Angie Sage. You can read the interview here: