Having just celebrated her 26th birthday in 1976 California, Dana, an African-American woman, is suddenly and inexplicably wrenched through time into antebellum Maryland. After saving a drowning White boy there, she finds herself staring into the barrel of a shotgun and is transported back to the present just in time to save her life. During numerous such time-defying episodes with the same young man, she realizes she's been given a challenge.

Darrow is a Red, a member of the lowest caste in the color-coded society of the future. Like his fellow Reds, he works all day, believing that he and his people are making the surface of Mars livable for future generations. Yet he toils willingly, trusting that his blood and sweat will one day result in a better world for his children. But Darrow and his kind have been betrayed. Soon he discovers that humanity reached the surface generations ago. Vast cities and lush wilds spread across the planet. Darrow—and Reds like him—are nothing more than slaves to a decadent ruling class.

What will become of our self-destructed planet? The answer shatters all expectations in this subversive speculation from the Hugo Award - winning author of the Broken Earth trilogy. An explorer returns to gather information from a climate-ravaged Earth that his ancestors, and others among the planet’s finest, fled centuries ago. The mission comes with a warning: A graveyard world awaits him. But so do those left behind - hopeless and unbeautiful wastes of humanity who should have died out ages ago.

Ripped from a forgotten homeland as a child, Tisaanah learned how to survive with nothing but a sharp wit and a touch of magic. But the night she tries to buy her freedom, she barely escapes with her life. Desperate to save the best friend she left behind, Tisaanah journeys to the Orders, the most powerful organizations of magic Wielders in the world. But to join their ranks, she must complete an apprenticeship with Maxantarius Farlione, a handsome and reclusive fire wielder who despises the Orders.

The only life Tress has known on her island home in an emerald-green ocean has been a simple one, with the simple pleasures of collecting cups brought by sailors from faraway lands and listening to stories told by her friend Charlie. But when his father takes him on a voyage to find a bride and disaster strikes, Tress must stow away on a ship and seek the Sorceress of the deadly Midnight Sea. Amid the spore oceans where pirates abound, can Tress leave her simple life behind and make her own place sailing a sea where a single drop of water can mean instant death?