The average life expectancy around the globe for the human nowadays is around 60. For most humans most of the time of these 60 years is passed in mundane, routine activity; eating, sleeping, going to the toilet, working, sitting in front of the TV etc.
Today, there are excellent collections of Children’s literature found in the bookshops. Among them, we find books for children categorized by age. Professional writers with doctorate degrees and child psychologists are the authors of some of these books.