According to what I know, there are no official Chinese novels in the Monogatari series. The Monogatari series was a series of light novels created by the Japanese novelist Nishio Weixin. It was first published in the comic magazine " Superman Jojo." The Monogatari series is very popular in Japan but it also has many fans around the world, so some publishing houses may try to translate and publish a Chinese version of it. However, there were no official Chinese novels, only some unofficial pirated versions were circulating in the market. If you are interested in the Monogatari series, you can satisfy your curiosity by reading the unofficial pirated versions.