What is the author's style in Timeline by Michael Crichton?

The novel is written in the third person omniscient point of view. In this novel, the author uses many voices to tell his story, including main characters Marek, Kate, and Chris. The author uses the voices of minor characters as well, such as the couple who finds a confused man wandering in the desert, and a cop who cannot accept the story of an old man who simply wandered away from his own car in the desert.