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CDL Recommended Courses and Products

If you need additional help preparing for your CDL exams, please consider the recommended products listed below.  If you know of any other products that may be useful, or if you have any thoughts on our recommended products, please leave us a comment!

Don't forget to try's Free CDL Practice Tests to prepare for your CDL Exams

Recommended CDL Test Study Guides and Books

CDL - Commercial Driver's License Exam - REA

Rating: 5-star

Test-Guide's Perspective: This 5th edition review book from the editors at REA is the best  available.  It provides thorough coverage of all topics on the CDL exam, including: General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tankers, Metal Coil, Doubles/Triples.  Contains up-to-date information on the testing and licensing requirements of all 50 states. Includes 8 full length practice exams written in the style of the CDL exam and every question has a rationale/explanation (including explanations of why incorrect choices are wrong).  

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Barron's CDL Truck Driver's Test

Rating: 4-star

Test-Guide's Perspective: This review book is written to be a general study guide for the CDL exams.  This Barron's book has a comprehensive review of both the written test and the behind-the-wheel test. recommends this book because it provides plenty of drawings and illustrations to help explain some of the concepts.  All practice test questions come with an extensive rationale (explanation).

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Bumper to Bumper: The Complete Guide to Tractor-Trailer Operations

Rating: 4.5-star

Test-Guide's Perspective: This book is the definitive textbook covering all aspects of tractor-trailer operations.  All aspects of driving a tractor trailer are thoroughly covered, including:  hours of service, hazardous materials, securing cargo, and onboard technology.  Bumper to Bumper covers a lot of material but in a clear and concise (and accurate!) manner.  Extremely practical book for both beginners and veterans.

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Disclosure:  Some of the links provided are affiliate links. will earn a small commission if you decide to purchase any of our recommended products - at no additional cost to you.  These commissions help defray our cost of providing free study materials for your test. only recommends products that we have experience with or that our users/readers have recommended.  If you have any other products to recommend, or if you have thoughts on any of our recommended products, please leave us a comment below.  Thanks!