The book, ???Cosmos??? is regarded as one of the best science-themed books ever written and is often credited as the catalyst for popularizing the science-themed literature. It is authored by Carl Sagan who wanted to unravel the complex world of cosmos in a simple and lucid language, so that any layman can understand it. The book came along the Cosmos TV series and both were planned to complement each other. Both the TV show and the book became highly successful and won critical acclaim. The book won the Hugo Award for Best Non-Fiction Book and was a 'Best Seller' for several weeks. This edition of the book includes foreword by Ann Druyan. There is also an essay written by Neil deGrasse Tyson and it has been published by Ballantine Books. The book deals with the cosmos and explains all the complex procedures related to it. It is divided in 13 chapters that focus on various facets of the cosmos. It takes the readers on a fascinating journey which discusses various critical aspects like the anthropological, cosmological, biological, historical and astronomical matters. The author spends considerable time on one of the most important questions - the existence of another life form in the universe. The author takes a balanced stand by stating that the cosmos, with its fascinating features and unending probabilities does permit the existence of not just one but millions of various civilizations across the universe. However, there existence depends on certain criteria of which there are no records as of yet. It talks about various scientists and their contribution and also warns the world of the ill effects of the armed race