Some good MAT preparation books are:

• General Intelligence and Critical Reasoning for MAT/ CMAT/ MHCET/ NMAT Exams - Disha

• Mathematics for MBA Entrance Examinations - R S Aggarwal

• Data Interpretation and Data Sufficiency - Arihant

• How to Prepare for Logical Reasoning for the CAT - Arun Sharma

• How to Prepare for Quantitative Aptitude - Arun Sharma