The fifth volume of this encyclopedia in Bangla language contains 174 topics in a question-answer format on a variety of subjects detailed in six chapters.

Each section deals separately with G.K., modern science, plants and animals, human body, scientists and inventions, sports.

Some Glimpses:

*What is solar wind?

*How does a steering wheel help to make a car run?

*What is biological warfare?

*What is Doppler effect?

*What is refraction of light?

*What is light?

*Which lizard squirts blood from its eyes?

*Why do birds sing?

*Which animals and plants need to be protected?

*What is birth control?

*How S.N. Bose’s name became associated with Einstein?

*What is the sport of hang-gliding?