To crack the almighty entrance test of CAT, the candidates require books that help them to build up the vital concepts that need to be efficiently build up. This aspect of study is very essential that help the candidate to get a high percentile in the CAT exam. Though there are plenty of books that are available in the market, but only few of them will serve the candidates personal purpose. Apart from the stress on the mathematics side, CAT also puts vital stress on verbal ability and data interpretation.

There are lads of books that help the candidates to prepare for CAT and also mentions complete success in the final run, but it lies with the candidates personal mind frame and the suitability o the language and approach of the book. Few books are reliable enough and help to prepare the CAT in an efficient manner.

Though text book help to clear up the vital subjective type questions, few MCQ books also help to build up speed and agility that is basically required in the CAT exam. Few of the books that are recommended for CAT are:

How to Prepare for Quantitative Aptitude for the CAT Common Admission Test, Author: Arun Sharma

How to Prepare for Data Interpretation & Logical Reasoning for CAT, Author: Arun Sharma

How to Prepare for the Verbal Ability and Reading Comprehension for the CAT, Author: Arun Sharma & Meenakshi Upadhyay

Permutation, Combination and Number Theory:

1. A Computational Introduction to Number Theory and Algebra ( Author: Victor Shoup Pages:533 Publication Date:2005 Publisher: Cambridge University Press Free License: Creative Commons License (Attribution-Non Commercial-No Derives 2.0) )

2. Foundations of Combinatory with Applications (Author(s): Edward A. Bender and S. Gill Williamson Publication Date: 2005 Publisher over Publications)

Probability:

1. Introduction to Probability, 2nd Rev edition ( Author(s):Charles M. Grinstead, J. Laurie Snell ISBN:0821807498 Paperback:520 pages Publication Date: Jul 1997 Publisher: American Mathematical Society Free License: GNU General Public License )

Algebra:

1. Applied Abstract Algebra (Author(s).Joyner, R. Kreminski, J. Turisco ISBN:0-8018-7822-5 Pages:344 Publication Date: June 2004 Publisher: The Johns Hopkins University Press )

2. Linear Algebra (Author: Jim Hefferon, Saint Michael’s College Publication Date: May 2006 )

3. Derivations of Applied Mathematics (Author: Thaddeus H. Black Publication Date:4 August 2006 Publisher: The Debian Project )

4. A First Course in Linear Algebra (Author: Robert A. Beezer, Department of Mathematics and Computer Science, University of Puget Sound Pages: 807 Publication Date: April 6, 2006)

5. Elements of Abstract and Linear Algebra (Author(s):E. H. Connell, Department of Mathematics, University of Miami Content: 146 pages Publication Date: March 2004)

6. Abstract Algebra: The Basic Graduate Year (Author(s): Robert B. Ash, Department of Mathematics, University of Illinois Publication Date: October 2000)

7. Elementary Linear Algebra

8. A=B (Author(s): Marko Petkovsek, Herbert Wilf and Doron Zeilberger Publication date: Jan 1996 ISBN: 1568810636 Hardcover: 212 pages Publisher: AK Peters, Ltd)

Thus indeed there large number of book available in the market, however the books from  the Arun Sharma author clan are very viable to clear different concepts that are required during the CAT exam. It is said that CAT is a exam of concepts, hence the stress should be on concepts rather than on hard study or intense labor.