1. Trachtenberg :
2. Bill Handley :
3. Isaac Asimov :
4. Gerard Kelly :
5. Henry Sticker :
6. Kenneth Williams :
7. Arthur T Benjamin :
8. Shakuntala Devi :
Vedic Mathematics – I
Vedic Maths II
Quicker Math by M Tyra
Edward Stoddard :
Gordon Rockmaker :
Henry Ernest Dudeney :
Edward H Julius :
Scott Flansburg :