The Happy Mo Coco is a set of picture books for children aged 5-7. The picture books tell moving stories about happiness: Mo Coco lives in the silver leaf (antler) forest with her sister Mo Duoduo and her parents. They raise a big deer with magical antlers and have experienced many incredible things together. There are eight volumes in the set. It contains eight stories with a different explanation about "happiness." 1. "Moon Soup": "We can be different from others"; 2 "Magic Leaves": "Help is the secret of happiness"; 3. "Staghorn Forest": "The reward is because of those efforts"; 4. "Magic Seven": "We need to think positively"; 5 "The Secret of the flowers blooming": "Understanding and Empathy"; 6. "The Shop for Renting Stars": "A sense of responsibility from beginning to end"; 7. "A Barber's Adventure": "The Dignity of Life"; 8. "Dream Collecting Bucket": "Be patient for Success."