1. Problem Primer for Olympiads, by C R Pranesachar, B J Venkatachala and C S
Yogananda (Prism Books Pvt. Ltd., Bangalore).
2. Challenge and Thrill of Pre-College Mathematics, by V Krishnamurthy, C R Pranesachar,
K N Ranganathan and B J Venkatachala (New Age International Publishers,
3. An Excursion in Mathematics, Editors: M R Modak, S A Katre and V V Acharya
(Bhaskaracharya Pratishthana, Pune).
4. Problem Solving Strategies, Arthur Engel (Springer-Verlag, Germany).
5. Functional Equations, B J Venkatachala (Prism Books Pvt. Ltd., Bangalore).
6. Mathematical Circles, Fomin and others (University Press, Hyderabad)
7. Number Theory, David Burton
8. Higher Algebra, S. Barnard and J.M. Child
9. Higher Algebra, Hall and Knight