The Barron's Police Officer Exam Flash Cards by Donald Schroeder are a comprehensive study aid specifically tailored for those preparing for the police officer exam. Published by Kaplan Publishing in 2017, these flash cards cover a range of subjects relevant to the exam, including professional law enforcement and civil service. With a total of 503 pages divided into cards, this textbook provides a convenient and effective way for students to review and study the necessary material in preparation for the police officer exam. Written in English and featuring the expertise of authors Donald J. Schroeder and Frank A. Lombardo, these flash cards are a valuable resource for anyone looking to succeed in the field of law enforcement.