About the book: 1968 / The book for children of primary school age tells about the exciting adventures of CHAO, little Elochka, and the young Muscovite Yegor. CHAO is the name of the robot, invented by Professor Chembarov. But here's the problem - the robot's drawings were stolen by the wizard Moore-Wey, dissatisfied with scientific progress. The professor's son Egor and the fairy-tale girl Elochka set off in search of the missing drawings..