The book "The Perfect Companion" by the author John McGreevy is a fascinating story about unsolved mysteries of the past, which unfolds against the background of intense international intrigue. The main character, a private detective, is forced to uncover a complex plan of criminals who threaten national security. As he investigates, he finds powerful allies in the most unusual places and finds himself in a whirlwind of events approaching the edge of the abyss. "The Ideal Companion" is a book that will grab you from the first lines and won't let you go until the last page.