Дозоры

Дозоры is a 11-book series with 8 released primary works first released in 1992 with contributions by Sergei Lukyanenko, Vladimir Vassilyev, Aleks de Klemeshe, Алекс де Клемешье, Сергей Лукьяненко, Vladimir Vasilev, and Владимир Васильев.