Golden Son by Pierce Brown — book slip

Darrow, once a lowly Red working in the mines beneath Mars, has infiltrated the elite Gold society to dismantle it from within. As he navigates the treacherous political landscape, he forms unexpected alliances and faces powerful adversaries. Driven by the memory of his lost love, Eo, Darrow must balance his desire for vengeance with the principles of love and justice she inspired in him. The stakes are high as he strives to ignite a revolution that could change the fate of humankind.

For fans of The Hunger Games and Ender's Game.