Pauline and magicians of ancient Kiev

The book is intended for age 8-12 years. Girl of the present day, his birthday is in the ancient Kiev. It is "heir" sorcerer who was her grandmother. Grandma herself was dead, and is therefore a reduction in the Pauline. Really it helps her grandfather Oles, who lives in the ancient Kiev and is pagan and witch. Together with friends, whom she met in the ancient Kiev, she gets into a lot of adventures, with movements around the world (1000 years ago) and witchcraft. To return it is necessary to defeat the cunning witch Pelagia and greedy nobleman Philemon, who are trying to destroy the Pauline and grandfather Olesya.