CDL exam book

Is there any book that coverage of both the written and driving tests is presented with specific answers and explanations for CDL exam?

Here are the popular books for the preparation of CDL exam which covers important questions and answers for the exam.

Pass the CDL exam by Van O'Neal, Alice Adams
How to Prepare for the CDL: Commercial Driver's License Truck Driver's Test by Mike Byrnes and Associates
In addition you may get study material and practice questions online.

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