Invisible is an exciting science fiction novel written with a great level of suspense and mystery. The author reveals a unique world where the main character, who is able to become invisible thanks to modern technology, finds himself in an environment where he must face his own moral principles and the choice between strength and loyalty. Will he be able to find a way out of a difficult situation where even the smallest misstep can cost too much? "Invisible" is a book that will captivate the reader with its frank truthfulness and unpredictability of events until the last page.