"The Grand Babylon Hôtel" by Arnold Bennett is a novel published in 1902. When American millionaire Theodore Racksole buys London's most exclusive hotel on a whim, he expects luxury—not mystery. His purchase unleashes a chain of bizarre events: a winking headwaiter, a vanishing clerk, a missing German prince, and a poisoned body that disappears. As Racksole and his daughter Nella investigate, they uncover an international conspiracy lurking beneath the hotel's elegant facade. This suspenseful tale blends intrigue, danger, and adventure within the glamorous world of high society.
Wikipedia page about this book: en.wikipedia.org/wiki/The_Grand_Babylon_Hotel