Schroeder, Donald J. Ph.D and Lombardo, Frank A, M.S. NYPD Ret. Schroeder and Lombardo have aptly applied their knowledge and expertise stemming from years of service on the force combined with years of teaching and consulting experience to create a timely and useful manuals for law enforcement management and supervision. The many roles of the manager and supervisor are clearly defined and discussed at length, providing the reader with an apparent understanding about the satisfaction as well as the difficulty connected with successful leadership. They also are the authors for Barron's Court Officer Exam, Barron's Police Exam, and Barron's Police Sergent's Exam as well.

About the Publisher In the 1930s, Manuel H. Barron opened a bookstore in Brooklyn, New York. People from the community asked Mr. Barron about books that might be available to help their children study for the New York State Regents exams. After realizing there wasn't anything available, Mr. Barron's created his own study guides. 80 years later, Barron's has helped millions of people prepare for their next step.