This book uses his latest work "Barcelona Murder Case" as an example to tell you how he conceived this novel: Why is the novel set in Spain? How does he choose the setting for the novel? There are many characters in the novel, how to set them? How to start writing the story? How to create suspense in the story to make it engaging? How to design the ending? In addition, Leung Hau Ching also provides some personal insights on writing, sharing his writing habits and experiences.