"Twenty billion years later" is a popular science book that takes the reader step by step through the most important stages of the evolution of the universe. The author helps to imagine the extension of time, which is difficult to imagine with the mind, and to recreate the unfolding pictures for our distant descendants. Emphasizing the incredibly cosmic scale of events, the book captivates and leaves the impression of a deep unification of all living and non-living beings in a single cosmic dance of life. "Twenty billion years later" is a journey to the unknown future that prompts you to think about the infinity of the universe and the unreachable edges of time.