Taking the CDL test? Want to get a good score? Written by Test Prep Books, this comprehensive study guide includes: Studying is hard. We know. We want to help. Each part of the test has a . This study guide covers everything likely to be on the test. Lots of are included. Miss one and want to know why? There are to help you avoid missing the same question a second time. Are you a bad test taker? Use your time wisely with the . Don't settle for just learning what is on the test. Learn how to be successful with that knowledge. Test Prep Books has drilled down the . This will help you save time and avoid making common mistakes on test day. Get your . It includes review material, practice test questions, and test-taking strategies. It has everything you need for success.