What is the author's style in Driver's Ed by Caroline B. Cooney?

The novel is comprised of fourteen untitled chapters. The main storyline focuses on the planning, execution and disastrous aftermath of the plot to steal street signs. The sign gets stolen, and Mrs. Thompson gets killed by the fourth chapter. Throughout the remainder of the novel, Remy and Morgan deal with their guilt, search for a way to take responsibility for the crime, and make amends with their families. In the novel, a secondary plot line traces the growing romance between Remy and Morgan.