What is the author's style in Violets Are Blue by James Patterson?

Violets are Blue continues the story of Washington DC police detective Alex Cross. In the opening chapter, Cross arrives at the murder scene of his partner and lover, Betsey Cavalierre. Before he finishes examining the scene, he receives a call from his nemesis, the Mastermind. Though the Mastermind has plagued and taunted Cross for some time, he continues to evade the authorities. After threatening the safety of Cross's family, the Mastermind vows that Cross will be his next victim.