"The Adventures of Ha and Kao" has an interesting plot and bright characters. The action takes place in our time in Kyiv. The evil professor wants to steal the soul of Ukraine in order to turn the nation into improvised beings without his own opinion and real emotions. Will the Good team be able to overcome this challenge and what if the soul of Ukraine finds itself in the hands of bad people? ... This story teaches to value freedom and inspires the reader to believe in themselves. Even if everything goes awry, there is always a great Power inside us that is able to lift us up and direct us to the Goal, the author of the book Bohdan Krasavtsev is convinced. "The Adventures of Ha and Kao" is his first book for teenagers. Bohdan Krasavtsev is the head of the public organization "Ecological Nation" and the author of the books "Eco-stories for my little friends" and "Eco-poems", as well as the comic "Chernobyl OASIS". He also wrote an artistic and philosophical book "Vasily and COVID-19".