Description: The story is set in an imaginary world where a person's social class changes along with their physical size. A medium-sized journalist receives a mysterious task: find the missing son of a wealthy man, and he will receive a huge reward. It turns out that the wealthy man's son had started to shrink himself on his birthday and ventured into the lower societies of the "Small People" and the "Tiny People." However, the journalist failed to accomplish the task for decades. Later, a "Mysterious Man" built a hotel called "A Speck of Dust," where Giants, Small People, and Tiny People could all live together. In his old age, the wealthy man fasted for ten years to see his son, and finally met him in this hotel. Author Biography: WANXIANG FENGNIAN A rising star in science fiction, known for his grand style and delicate emotions. His notable works include 'Chronicles of the Post-Glacial Age,' 'Three Realms,' and 'The One Who Illuminates Time.' Among these, 'Chronicles of the Post-Glacial Age' won the 2007 Galaxy Award Readers' Choice; 'Three Realms' received the Silver Award for Best Mid-Length Science Fiction Novel at the 2nd Chinese Nebula Awards; and 'The One Who Illuminates Time' won the 2019 Chinese Science Fiction Readers' Choice Award (Gravity Award).