Mark Alan Stewart 
McGraw-Hill’s Postal Exams 473/473C [EPUB ebook] 

The comprehensive postal test-prep guide that delivers through rain, sleet, and snow Now that the U.S. Postal Service has replaced its obsolete 470 test with the updated and more difficult 473 and 473C hiring exams, you need this book more than ever if you want to qualify for employment. It’s packed with timed, skill-building drills to help you answer questions faster and more accurately.