Hi Azhar,

The latest edition of Arun Sharma books is the Eighth edition.

Books for DILR-

• How to prepare for Data Interpretation for the CAT by Arun Sharma (Tata McGraw Hill)
• How to prepare for Logical Reasoning for the CAT by Arun Sharma (Tata McGraw Hill)
• How to prepare for Data Interpretation & Logical Reasoning for CAT by Arun Sharma

The following CAT study material for QA are highly recommended by toppers and experts to master problem-solving approach-

• Arun Sharma’s ‘How to prepare for Quantitative Ability for CAT’, published by Tata McGraw Hill.
• Quantitative Aptitude for Competitive Examinations by Abhijit Guha (Tata McGraw-Hill) has a comprehensive step-by-step problem-solving guide.
• How to Prepare for the CAT Common Admissions Test by Muhamed Muneer, published by Om Books, is another book that is simple and easy to understand.
• Quantitative Aptitude for the CAT by Nishit Sinha published by Pearson.

Books for VARC-

• How to Prepare for the Verbal Ability and Reading Comprehension for the CAT by Arun Sharma and Meenakshi Upadhyay (Tata McGraw-Hill)-  is a workbook with practice questions and tips based on previous CAT papers.
• Norman Lewis’ Word Power Made Easy.

Hope this helps,

All the best!