“The Adventures of Dunno and His Friends. Dunno in the Sunny City” is a book that includes the first two fairy tale novels by Nikolai Nikolayevich Nosov about Dunno, a cheerful and restless mischief-maker. Plot: Dunno will have an accident in a hot air balloon, make friends with the kids of the Green City and turn the life of the entire Sunny City upside down. Adventures will change Dunno a little – he will become a good friend, he will want to learn and he will understand that everything can be done with his own hands without any magic at all. The book also includes: “The Adventures of Dunno and His Friends.” It tells how Dunno and his friends took a trip in a hot air balloon, visited the Green City and the city of Zmeevka, what they saw and what they learned. The publication is intended for children of middle school age.