A Brief History of Time is a popular-science book that helps a layman understand the basic questions of our existence and physics. It is a scientific attempt at explaining the origin of the universe. The author has collated theories created by varying cultures over the years, taking you on a historic and scientific journey.

The book introduces the theory of relativity, quantum physics, particle physics, gravity and the fabric of space-time in the first half. Complicated concepts like these ar...e explained and Hawking shows us how Einstein's work had a lasting effect on how you see the universe. Einstein introduced the fourth dimension, time, into the three dimensional universe.

A Brief History of Time also covers quantum mechanics and the book goes on to delve into the author's research. Written in a style that is simple and easy to understand, this book is sure to broaden your horizon.