The book by the wonderful children's writer Tamara Kryukova includes two funny stories “Exactly at midnight according to a cardboard clock” and “House upside down”, which are loved by both children and adults. The heroes of the stories will visit Sakharin Island, in the Northern Poisonous Ocean, and get acquainted with the rogue Trishka, and funny adventures await them everywhere. There are days in the year when a miracle can happen to anyone. So Varka and Nikita were lucky enough to get into a real Children's World, where fairy tales come to life, animals can talk and incredible adventures happen. During this journey, brother and sister learn a simple truth: if you live together, the road becomes shorter and the dangers recede. For primary and secondary school age.