Task: Question Answering
Input (English): Context: Guo Jingming is a best-selling author in China. He was born in Zigong, Sichuan Province on June 6, 1983. He is well-known for his essays and fictions, such as On the Edge of Love and Hurt, City of Fantasy, and Tiny Times. His essays and fictions are especially popular with teenagers. He is also a director and once directed his movie Tiny Times successfully. In June 2013, Guo was awarded the Best New Director at the Shanghai International Film Festival for his first movie Tiny Times. The movie has sold 6.7 million copies. In 2001, Guo Jingming started to gain _ after winning the New Concept Writing Competition's top award. Lots of young people got to know Guo Jingming little by little. A year later, Guo entered the writing competition again and won the top prize for the second time. At the same time, a collection of his prose On the Edge of Love and Hurt was published. In 2003, his first novel City of Fantasy came out. It was the novel that made Guo Jingming famous all over the country. In 2008, Guo was elected to the Chinese Writers' Association. He became the youngest member of the association. Guo's Tiny Times series was published between 2008 and 2012. 
 Question: What's Guo Jingming's first novel?
Output (English): city of fantasy.