Aubry Tourvel's life is defined by constant motion. In 1885 Paris, a mysterious puzzle ball leaves her with a peculiar condition: if she remains in one place for more than 28 days, she begins to fade. This extraordinary premise sets her on a perpetual journey across the globe, forcing her to explore diverse landscapes and confront the nature of existence itself.

Why You Should Read?

• Discover a unique and compelling premise: a protagonist whose survival depends on constant movement.
• Embark on a grand adventure spanning continents, from ancient deserts to an infinite underground library.
• Explore profound themes of resilience, identity, and the elusive nature of reality.
• Join a story celebrated by critics and chosen by Jimmy Fallon's Tonight Show Book Club.