"Relentless Moon" is an award-winning sci-fi novel by Mary Robinette Kowal that explores a future world where the Earth is on the brink of catastrophe due to a climate disaster. With riots and sabotage plaguing the space program that's aiming to evacuate as many people as possible off Earth, tensions are high. The story follows the journey of Lady Astronauts Elma York and Nicole Wargin, who must navigate political turmoil and personal struggles while establishing a Moon colony and preparing for a critical mission to Mars.