Sun Zhan is a Chinese author about whom limited public information is available. What can currently be confirmed centers on his personal-finance title The Millionaire on Main Street. In existing cataloging, the book falls under personal finance and addresses topics related to individual finances and wealth building for general readers. Because no clear record of the author's life, education, or professional career has been found, a full account of his writing trajectory is not possible. Judged by this single work, Sun Zhan's approach tends toward a down-to-earth, everyday perspective on money; the "Main Street" image in the title suggests an audience of ordinary people rather than Wall Street-style professional investors, seeking to bring financial ideas into mainstream reading. Only one of his works is currently held, and its length and influence await further sources. Readers interested in the author may begin with this representative title, while bearing in mind that the available information is limited and should not be used to infer his experience or achievements.