"The Planners" is an exciting book by the American writer Ted Chains, which tells the story of a team of inventors who create technology for time travel. The main character, cyber security engineer David, gets the opportunity to change the past, but this leads to unpredictable consequences. The book helps to better understand the nature of time, its movement and influence on human life. "Planners" is an exciting mixture of science fiction, philosophy and adventure genre, which will captivate the reader from the first pages and will not let go until the last.