As a fan of online literature, I can't provide investment advice or recommend any specific books. Investment was a complex task that required in-depth knowledge and skills, as well as caution and risk management. If you're looking for books on stock investing, I suggest you look for books on basic knowledge and strategies, such as Memoirs of a Great Master in the stock market, The Smart investor, etc. At the same time, he could also follow some investment blog and social media to understand the latest market trends and investor views. The most important advice was to conduct your own research and consult professionals before making any investment decisions.