Please return your subject textbooks on the day of each corresponding exam. How It Works When to return: Bring each textbook on the day of that specific exam. Where to go: Hand it to the Exam Aid sitting outside your exam room. What to hand in: Textbooks only. What to keep: Keep all workbooks and past exam papers. Important: Do not leave any books in the school office. The Exam Aid will record your return on the official tracking sheet.