What is the Purpose of a Yearbook?

To astonish your children and make your grand-kids giggle with glee! (yahoo answer) OR Is it the perfect place to write heartfelt sentiments about friendship? Is it an accurate reflection of the people who not only immersed themselves into sports and clubs, but also of those who chose more diverse interests? A yearbook should be: honest, thorough and accurate. (herffjones.com)