Cover letters are an extremely important aspect of the job hunting process; they are, in fact, the very first impression your future employer has of you. And with all first impressions, you should strive to make yourself memorable. So what should a good cover letter be? A few things actually: grammatically perfect, engaging, and professional. Seniors graduating from a college or university need to know how to write a cover letter; unfortunately, most colleges and universities don’t offer a class or provide cover letter examples. However, the internet does!