"The Return of Dr. Fu-Manchu" by Sax Rohmer is a novel likely written in the early 20th century, specifically during the period of fascination with Eastern mysteries and criminal psychology. This work serves as a continuation of the notorious adventures tied to the brilliant yet menacing character, Dr. Fu-Manchu, who embodies the "Yellow Peril" stereotype prevalent in literature of the time. The story engages readers with complex characters, such as Nayland Smith, a British commissioner determined to confront the diabolical intentions of Fu-Manchu and rescue his allies from impending danger. The opening of the novel introduces Dr. Petrie, who reminisces about his last communication with Nayland Smith, hinting at his current frustration and uncertainty regarding their mutual adversary, Fu-Manchu. The conversation shifts ominously as Petrie's visitor, the Rev. Eltham, expresses a deep-seated fear about the revival of Fu-Manchu's threat in London, recalling their previous harrowing encounters. The tension escalates when we learn of a mysterious telephone call summoning Petrie to a patient, only to discover it was a hoax. Meanwhile, Eltham vanishes under suspicious circumstances, heightening the sense of urgency and calamity. When Nayland Smith arrives, he reveals his fears that Eltham may have already fallen victim to Fu-Manchu's dark designs, setting the stage for the revival of their epic struggle. (This is an automatically generated summary.)