Following books can be taken to prepare for Mathematics olympiad. This will be useful in PRMO, RMO,INMO, and IMO
- Problem Primer for Olympiads C. R. Pranesachar, B. J. Venkatachala and C. S. Yogananda (Prism Books Pvt. Ltd., Bangalore).
- Challenge and Thrill of Pre-College Mathematics V. Krishnamurthy, C. R. Pranesachar, K. N. Ranganathan and B. J. Venkatachala (New Age International Publishers, New Delhi).
- An Excursion in Mathematics Editors: M. R. Modak, S. A. Katre and V. V. Acharya and V. M. Sholapurkar (Bhaskaracharya Pratishthana, Pune).
- Problem Solving Strategies A Engel (Springer-Verlag, Germany).
- Functional Equations B. J. Venkatachala (Prism Books Pvt. Ltd., Bangalore).
- Inequalities an approach through problems (texts & readings in mathematics), B. J. Venkatachala (Hindustan Book Agency)
- Mathematical Circles Fomin and others (University Press, Hyderabad).
- Combinatorics (For Mathematical Olympiad) S.Muralidharan, AIMER
- Elementary Number Theory by VK Krishnan
- Higher Algebra by Hall & knight