About the book: year / Incredible and dangerous things happen to the twin brothers, Tilda and Mukr, boys with wings who can fly, and their friends - bats adventures. Returning with a hurricane to Mount Katarangu, Tild again met with brother Mukr. They got rid of the witch Haga, dealt with the terrible spider Octopus and disenchanted the little elves, whom the witch Haga turned into flying vampires, returning the elves to their original appearance.