Holmes, Margaret & Poe by James Patterson

Crime! Murder! Who are you going to call?
In New York City, three intriguing, smart, and stylish private investigators open Holmes, Marple & Poe Investigations. Who are these detectives with famous names and mysterious, untraceable pasts?
Brendan Holmes—The Brain: Identifies suspects via deduction and logic.
Margaret Marple—The Eyes: Possesses powers of observation too often underestimated.
Auguste Poe—The Muscle: Chases down every lead no matter how dangerous or dark.
The agency's daring methodology and headline-making solves attract the attention of NYPD Detective Helene Grey. Her solo investigation into her three unknowable competitors will delight both old- and new-school mystery-detective fans.