South China Morning Post
https://www.scmp.com/news/hong-kong/society/article/3270697/mainland-chinese-visitors-make-hong-kong-book-fair-bestselling-event-organiser-says
Mainland visitors to make Hong Kong Book Fair a bestselling event: organiser
Event organiser ‘confident’ following roadshows in Guangzhou and Shenzhen as well as positive response on social media platform Xiaohongshu.