"The Great Step" is an exciting science fiction book from the legendary author DeWet, Charles W. To return to the past to save the future - this is the task before the main characters of the book. The story, which combines the elements of an adventure novel and a skillfully laid scientific trail, will captivate the reader from the first pages. The book "The Great Step" is not only an exciting adventure, but also a philosophical reflection on time and space, on what actually determines our future.