This is my Harry Potter fan fiction review.
Hermione's friend in her Muggle life has enter Hogwarts! Samantha Crane, her name, is a jealous, snobby girl who likes to bully Hermione in the past. Surprisingly, she's invited par McGonagall to become Hogwarts student for a week!
Harry, Ron and Hermione later knows the truth: Sam is planning to do something worse to Hogwarts, before the professors know it. Together, the trio struggle to prevent Sam's plan!
If toi want to see it, see my profil on June. I'll post the link!
(PS: toi can recommend better ideas.)