These modern encyclopedia is the revolution of knowledge, whatever sense of the word .. characterized by richness in high-resolution pictures and tremendous information where every piece of information related to the picture as well as all of this you can download this book digitally and interact with images and information, videos and exercises in fun method to come out by tremendous knowledge after you have finished all the Encyclopedias. It include important topics related to the universe, environment, living organisms, human body, and technology secured a tremendous asset of the knowledge needed by the student in his life and discoveries in the hope that we have contributed to light the way of the knowledge for future’s generation. It Includes Free Digital Book in Both Languages English and Arabic