Lost (not exactly, i know where it is, but..) spanish book... please help.. this case is different?

I don't think your book will be there on monday 30th. If you have school this monday the 23rd first thing is to go to the lost and found to see if its there. If you don't know where the lost and found is ask at your school office. If you don't have school on monday 23rd call to your school to see if the school is open ( something student get vacations earlier then teachers) and ask if are allowed to get a book, tell them you need it to study. But try not to want til Monday the 30th because the longer you wait, more likely you will not be able to get your book back.