New Knowledge Library: Science and Technology (acoustic and electric and magnetic waves round the world of new materials mechanical civilization)

Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Pages Number : 174 Publisher: China Social Sciences Publishing House Pub. Date :2008-01. time the wheel has been transferred to the 21st century. the future will be the era of rapid and dramatic change - Science and technology are advancing rapidly. forming a global village. the advent of information society. environmental consciousness . . the human is already facing unprecedented change. and knowledge must be the key to open the door to a new era! In this moment. the spirit of the times editing a set of knowledge and meaning of children s encyclopedia. we set out a more high standards: to have a complete and rigorous intellectual framework; to master from the perception. understanding to the use of education principles; to do the layout design; to the fine print and low prices; but also to meet the needs of Chinese children. One can imagine. this is a daunting task. The new knowledge library is Nature and Environment. human and social. Science and Technology. Culture and Art four knowledgeFour Satisfaction guaranteed,or money back.…