Who are the characters in book Zack by William bell about?

The two main characters in the book _Zack_ by William Bell are the following:

1. Zack Davis: Protagonist; A determined and resourceful young man passionate about uncovering supernatural mysteries as part of the Supernatural Society of his school.

2. Maya Santos: Main female character; She joins Zack Davis in exploring mysterious supernatural forces and becomes an integral part of their team, showcasing intelligence and loyalty towards the cause.