This series contains encyclopedias based on Discoveries and Inventions, Space, Physics, Chemistry and Experiments. Man has evolved from ape to the modern form through thousands of years. His life is a long story of discoveries and inventions which have improved his life. Reading this category will give the children a glimpse of many such discoveries and inventions.
Age - 8+
Grade - 3gr
Author - Pegasus
Publisher - Pegasus
Format - Paperback
Pages - 31
Dimensions - 7.99 x 10 x 1.85 inches
