The first book in a gripping duology from acclaimed author S.K. Ali introduces a fractured world on the brink of either enlightenment or war.. Would you trade love for peace?. Raisa of Upper Earth has only lived a life of privilege and acquiescence. Ever dutiful, she accepts her father’s arrangement of her marriage to Lein, Crown Prince of the corrupt, volatile lands of Lower Earth. . Though Lein is a stranger, Raisa knows the wedding will unite their vastly different worlds in a pact of peace: an infusion of Upper Earth technology will usher in the final age of enlightenment, ending war between humans forever. . Or is justice more urgent?. Newly released from imprisonment, Nada of Lower Earth has found her own calling: disrupting the royal wedding. . Convinced her cousin Lein’s alliance with Upper Earth will launch an invasive, terrifying form of tyranny, Nada sets out undercover to light the spark of revolution. . When Raisa goes missing a week before the wedding, all eyes turn to the rebels, including Nayf, Nada’s twin brother, a fugitive on the run. . In Nayf and Raisa meeting, the long-simmering animosity between their worlds slowly burns away into something unexpected.. But the Crown Prince wants his bride — and future — back. And he will go to the ends of the earths to reclaim them.