With the oncoming of spring gnomes above-ground ashore brook of Причудь decide to leave in a trip, to find the friend going away to the riverheads of brook on the searches of his source. Ahead of them wait unexplored earth, keen adventures and surprizing opening. Gnomes will pass dangerous whirlpools and frightful Corvine forest, will battle with giant Громобоем, will appear on the uninhabited island and will find the great number of new friends. But whether they will find the disappearing friend and will it be succeeded to come home them?This epic fairy-tale saga was awarded with medal of Карнеги, eldest and prestige reward for the best literary work for children, and became the classics of child's literature| she is first published in translating into the Russian language.