CAT prep materials

Hi, can someone share some preparation materials for CAT like ebooks,etc ?..

Hi, can someone share some preparation materials for CAT like ebooks,etc ?..

Hi, i'm very new to CAT exams.. Just order few books as follows:
1. word power made easy
2. 30 days to a more powerful vocab
3. Quantum CAT

are those books good enough to start with ?
could someone share some ideas ?, it would be more helpful