Mathematical Olympiad Books
1. Problem Primer for Olympiads
C R Pranesachar, B J Venkatachala and C S Yogananda (Prism Books Pvt.Ltd., Bangalore).
2. 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).
3. An Excursion in Mathematics
Editors: M R Modak, S A Katre and V V Acharya and V M Sholapurkar(Bhaskaracharya Pratishthana, Pune).
4. Problem Solving Strategies
A Engel (Springer-Verlag, Germany).
5. Functional Equations
B J Venkatachala (Prism Books Pvt. Ltd., Bangalore).
6. Inequalities an approach through problems
(texts & readings in mathematics), B J Venkatachala ( Hindustan Book Agency)
7. Mathematical Circles
Fomin and others (University Press, Hyderabad).