Brazilian Gold Mine Mystery

"BRAZILIAN GOLD MINE MYSTERY" by Andy Adams is a juvenile adventure novel likely written in the mid-20th century. The story follows a young protagonist named Biff Brewster as he embarks on an exciting journey to Brazil, where he is drawn into a secret mission involving a potential gold mine. His father, Thomas Brewster, is the chief field engineer for the Ajax Mining Corporation, and they must navigate the dangers of the jungle while trying to uncover the location of the fabled El Dorado. The opening portion of the novel begins with Biff receiving a mysterious letter from Mr. Stannart, the president of the Ajax Mining Corporation, which warns of danger related to his father's secret mission. Traveling to Brazil, Biff is filled with anticipation as he learns that his father's expedition is actually a search for gold rather than rubber. Upon arriving in Manaus, Biff discovers that danger lurks closer than he thinks when they are nearly ambushed by a thief in their hotel room. The narrative sets the stage for a thrilling adventure as Biff teams up with his father and must remain cautious of potential enemies, including some sinister figures such as Nicholas Serbot, who might be after the same treasure.