Сказка о царе Салтане
Yemets described the books as "a cultural reply" to the Potter series, and they feature allusion to Russian culture and folklore such as Baba Yaga, rusalki, witches on Bald Mountain and the works of Pushkin (for instance, Tibidox is on the island of Buyan mentioned in Pushkin's "The Tale of Tsar Saltan").