A casual story holds full of expectation until the bottom of the page. The splendor of gratitude and love brought tears to the eyes of joy. Books are like a fire in the heart of the desire to live a good life. Writing about the good is not easy to write so that the reader can get the full positive emotions and want to enjoy even the small good things is hard. BEFRIEND WITH THE SKY of Nguyen Nhat Anh has done this. As the writer once said: "The strength of the program is in the state of osmosis. By its specific form, literature contributes to sharpening ethical methods for readers in an invisible way that nourishes the soul. This is the root function of literature, especially literature for teenagers”.