The Red Pavilion is a gong'an detective novel written by Robert van Gulik and set in Imperial China (roughly speaking the Tang Dynasty). It is a fiction based on the real character of Judge Dee (Ti Jen-chieh or Di Renjie), a magistrate and statesman of the Tang court, who lived roughly 630–700. The book features six illustrations by the author and a map of Paradise Island (the setting for the story). This novel is a mystery of the type known as a locked room mystery.