A. H. Hashmi 
Children’s Science Encyclopedia [PDF ebook] 

Let your child learn about The Earth he lives on The Air he breathes in, The Light he reads in, The Light he reads in, The Body he has The Transport he travels by, The energy he works with, The Animals he is fascinated with, The Plants that he needs for food and innumerable reasons, The use of Mineral and Metals which form an essential part of his daily routine, The magic of Chemistry, The great Scientists and their Inventions.