Thank you for asking @ABP. Cloudera doesn't have such a book. If you are wondering what to study for the CCA Administrator Exam (CCA131), you can find out on the certification page which lists:
Number of questions
Score required to pass
How the test is evaluated and scored
Audience and Prerequisites
Exam delivery and cluster information
Of course the part you would be interested in is listed as well in the Required Skills section. This section lists all the skills you will need to be able to perform as part of the test.
... View more