The professor isn't looking for the single correct letter. They are looking for:
So buy the 2-pack at the campus bookstore. Bring two pens (one backup). And remember: The blue book isn't your enemy. It’s the empty canvas where you prove you actually know what you’re talking about.
"Blue book exams: where a good pen is your best friend. How's your studying going? #BlueBookExams #CollegeLife #ExamSeason"
And for nearly a century, that silence was contained within the pages of a small, unassuming booklet with a pale blue cover.
