Yang Peng's children's Literature: "Father in the Pocket: Renew one's youth" content introduction: on the mother's inspiration, the father in the pocket thought a good idea: he would invent a pill can make people young forever. When the father was almost successful, the invention was stolen! The more abhorrent was that the not mature pills were spread into the market on a large scale, and had caused people's crazy panic buying. However, the pill was with very serious side effect that was... the human society would face hitherto unknown challenge. How would Yang Ge and his dad save the world?