The Postal Virtual Entry Assessment Tests (USPS) Passbook(R) prepares you for your test by allowing you to take practice exams in the subjects you need to study. It provides hundreds of questions and answers in the areas that will likely be covered on your upcoming exam, including but not limited to: customer service; educating and interacting with the public; address checking; name and number checking; working with money and cash registers; situational judgment; and more.