This book is for the people who know the depth of
science espescially Black Hole. It also deals with various aspects of the
universe such as The Big Bang and the Big Crunch , and also the Uncertainty Principle. The book also tells about some of the popular scientists such as Galileo and Newton. The thing for which the book became a bestseller was its apt description of the possibility about what is actually a Black hole. So one word of advice don''t buy the book if you are not familiar with terms like Positron, quanta, quantum theory,
quarks and so on.