The need for commercial drivers has never been greater. Prepare yourself for success with Peterson's Master the Commercial Driver's License Exams study guide. This study guide not only breaks down each endorsement in detail but also offers multiple practice tests--20 tests in total. You'll learn how to prepare for your exams and what to expect on test day with the following:

Information about the written and skills exams

Diagnostic tests to help you pinpoint your strengths and weaknesses

Comprehensive review of material for all CDL endorsements and requirements:

General Knowledge

Air Brakes

Combination Vehicles

Double and Triple Trailers

Tanker Vehicles

Hazardous Materials

Passenger Vehicles

School Buses

Practice tests with detailed answer explanations to help with every endorsement