RS Aggarwal for logical reasoning is the most frequently recommended book for preparations of CLAT. This book is basically good for logical reasoning for any aptitude test. For more advanced learning if you have enough time, you can refer to Analytical Reasoning by M.K. Pandey.

Good Luck!!

Here are some books for CLAT preparation you can prefer.

Legal Reasoning

Legal Aptitude (CLAT) by RK Gupta

English

Objective General English by S P Bakshi (Arihant)

Quick Learning Objective General English by RS Aggarwal

Reasoning

Verbal and Nonverbal Reasoning by R S Aggarwal

Analytical Reasoning by M K Pandey

General awareness

General Knowledge 2017 by Arihant

Or

you can also prefer Career Launcher Study material that is best for Clat Preparation.

Good luck!