Perce and Andy are worried because their new teacher is turning the pupils into stone. They go to the library to investigate and discover that she is in fact Medusa from the Greek myth. With the use of mirrored sunglasses, they manage to stop her and even give her a taste of her own medicine.
- ISBN10 0140371087
- ISBN13 9780140371086
- Publish Date 31 July 1997
- Publish Status Out of Print
- Out of Print 7 August 2002
- Publish Country GB
- Imprint Puffin Books
- Edition New edition
- Format Paperback (B-Format (198x129 mm))
- Pages 128
- Language English