The book tells the funny and instructive adventures of third-grader Dima Vasilkin. The reader dives into the world of school life, where the main character faces typical situations: being called up to the board, navigating friendships, rivalry, first crushes, and disappointments. The author humorously and warmly describes the everyday events of an ordinary schoolboy’s life, which will be relatable and understandable to children in the junior school age group. The story helps young readers gain perspective and teaches them how to find solutions to complex situations.