Old books available in Tamil and English

Do you have a project-assignment fron your physics teacher and do not know where to begin? Or, you have to participate in a Science Fair,and you wish to surprise everyone with a revolutionary chemistry model? Or, you simply wish to experiment with new concepts of physics,electronics,biology and chemistry? This revised book and the free CD contains 71+10 new projects on Physics, Chemistry, Biology and Electronics. The purpose of the book and CD is to ensure simple explanations of these 81 Science Projects done by Secondary and Senior Secondary students.