About the book: year / On a popular TV channel in the Philippines, the program was suddenly interrupted, and a man and three girls appeared on the screen. The man explained in awkward English that they arrived from the planet Vardeman and represent the Union of Worlds of the Mind. After some turmoil on Earth and the advance of military fleets to the landing site of the aliens, the latter travel to different countries to get acquainted with earthly civilization and carry out joint projects with earthlings. Innokenty Pivnev, a scientist from the city of Sibirsk, is working on one of the projects together with Iula, who arrived from Vardeman. Love begins between them. The presence of aliens causes some instability in the economy and politics on Earth, and the activation of the special services. Pivnev and Iula become involved in these events. Meanwhile, the aliens are trying to explain to earthlings that life in space is a great value, and earthlings are obliged to preserve their planet. But the aliens on Earth have one more task…