Examination practice

Name: Examination practice
Rank: C
Mission Requestor: Teenage ninja, genin
Mission type: Stealth
Mission specifics: I need a certain book to read for my examinations, which are tomorrow! I've planned to stay up all night to study, but I'm missing the book! The book is in the academy library; it's rather thick, with musty yellow pages, and with a blue cover. It's named "Cinderella". I know I could try and get in the library myself, but I have to study! Beware of the dogs on constant patrol of the library at night... don't ask me how they keep the rule of silence in there.
Fulfillment: Variable. Modded by a mod/admin.
Reward: Multi-purpose Sealing Scroll
Mission requirements: At least genin. Only one person.