"Under the Andes" by Rex Stout is a novel likely written in the early 20th century. The book explores the adventures of the protagonist, Paul Lamar, who finds himself embroiled in a complex web of drama and intrigue involving royalty, gambling debts, and the enigmatic dancer Desiree Le Mire. The narrative hints at themes of personal conflict, familial responsibility, and the intoxicating pull of love and danger. The opening of the novel introduces us to Paul Lamar, who is observing his younger brother Harry at a gambling establishment, where Harry has amassed significant losses due to his reckless behavior. Paul, as the protective older brother, decides to intervene and handles the situation with a mix of frustration and care. After resolving Harry’s immediate financial troubles, the story transitions to Paul's upcoming journey to Europe, where he becomes captivated by the glamorous but dangerous Desiree Le Mire. Through a series of encounters and conversations, her alluring nature is established, setting the stage for the ensuing events that will entangle both brothers in an uncertain and captivating adventure. (This is an automatically generated summary.)