Review: Category: Study Guide Books for Commercial Drivers License (CDL) Exam Preparation and Training Manual. The category of the products is study guide books for commercial drivers license (CDL) exam preparation and training manual. These books are designed to help individuals prepare for the CDL exam, which is a requirement for driving commercial vehicles such as trucks, buses, and hazardous materials transport vehicles. The books provide information on the rules and regulations of the road, traffic laws, vehicle maintenance, and safety procedures. They also include practice tests and quizzes to help individuals assess their knowledge and identify areas where they need improvement. One of the most popular study guide books in this category is CDL Study Guide Book: Test Preparation & Training Manual for the Commercial Drivers License (CDL) Exam. This book provides a comprehensive overview of the CDL exam, including the different types of endorsements and restrictions that may apply to commercial drivers. It also includes practice tests and quizzes to help individuals prepare for the exam. Another popular study guide book is CDL Exam Secrets - CDL Practice Tests & All CDL Endorsements Study Guide. This book provides detailed information on each section of the CDL exam, including traffic laws, vehicle maintenance, and safety procedures. It also includes practice tests to help individuals assess their knowledge and identify areas where they need improvement. Other study guide books in this category include DMV 500+ Sample Test Questions: DMV California drivers handbook, handbook 2018 2017 2016 2015, CDL Exam Secrets - CDL Practice Tests & Air Brakes Endorsement Study Guide, and Pass Your Louisiana CDL Test Guaranteed! 100 Most Common Louisiana Commercial Driver's License With Real Practice Questions. These books provide practice tests and quizzes specific to the state of California or Louisiana, as well as information on the rules and regulations of those states. Overall, study guide books for commercial drivers license (CDL) exam preparation and training manual are an essential tool for anyone looking to become a commercial driver. These books provide comprehensive information on the CDL exam, including practice tests and quizzes to help individuals assess their knowledge and identify areas where they need improvement. They also include detailed information on the rules and regulations of the road, traffic laws, vehicle maintenance, and safety procedures.