You are a student and have to attend an important lecture at the university regularly? Or you are a student and have to sit in the classroom/college early in the morning at 8 am? This book ensures that you will not be disturbed by your fellow students during your valuable sleep in class. Just put it on the table or desk in front of you, because the message is clear: "Wake me up when lecture is over or the lecturer is in front of me". Also a great...