"Timeline" is an exciting science fiction novel written by the famous Ukrainian writer Oleksandr Zorin. In this book, the author talks about the future, where humanity is forced to fight against the threats of technologies that have gone out of control. The main character, scientist-engineer Maksym, finds himself in the heart of events when he decides to reveal the secret of the work of a new experimental chronometer - a time-regulating device. This ingenious technology can change the course of events in the universe, but it hides a danger that threatens to destroy everything Maxim is familiar with. The reader is waiting for an exciting storyline that will allow you to feel the tension and emotions of each character. "Timekeeping" is a book that will leave behind a strong opinion about the importance of choosing the right time, which determines our future.