In order to have a career with one of the 39,000 U.S. Post Offices across America, applicants must pass the 470 Battery Exam. Postal Worker Exam provides complete test prep for this exam, which has been updated for 2005. This book includes hundreds of sample questions with complete answers, four full practice exams, and a password for free online exams. To help applicants after they have taken the test, the book also includes a complete description of all aspects of the U.S. Postal Service's hiring process.