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The "Pocket Detective" series tells the story of Ai Xiaopo, a 9-year-old boy who likes to solve crimes in Wutong Town on the Yangtze River. He forms a detective alliance with Ji Feifei, an alien who accidentally enters the earth. Through thinking, investigation, research and reasoning, he solves a series of mysterious cases around him. The story unfolds in the form of comics and contains many knowledge points that closely follow the primary school science syllabus, involving different scientific fields such as astronomy, physics, cryptography, and engineering. It guides children to think proactively in the story and follow Ai Xiaopo and Ji Feifei to observe, discover, reason, and solve cases. In the suspenseful story, the children can subtly understand rich scientific knowledge, cultivate various abilities, and improve scientific literacy.