The muggle who knew(Harry Potter Fanfic)

At the start of harry's second year remember he knocked into the wall while getting to platform 9 and 3/4?His potion's book had fell out and was left on the ground as he and his best friend,Ron dashed to the flying car.A muggle girl called Jess picked it up and admired it.She brought it home and took out her mother old cooking pot and began trying out one potion.Finding out that she needed strange materials,she went to look for them.Then that one day,she found the ingredients and began making potions.The ministry could not close a blind eye and went to look for her.Find out what happens in this book.

A/N:All characters belong to J.K Rowling except Jess and her parents.