Five books in traditional Chinese characters -- an outline for the study of Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era and four books on President Xi's local work experience -- debuted Wednesday at the Hong Kong Book Fair.

This photo taken on July 19, 2023 shows the launching ceremony of five books in traditional Chinese characters -- an outline for the study of Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era and four books on President Xi's local work experience -- at the Hong Kong Book Fair in south China's Hong Kong. (Xinhua/Wang Shen)

The five books serve as an important reference for various social sectors in Hong Kong and Macao to develop the economies, improve people's well-being, enhance patriotism and the sense of national identity, and advance the successful practice of "one country, two systems."

Senior officials from the central authorities and the Hong Kong Special Administrative Region government as well as representatives from the publishing sector attended the launching ceremony.