Gamora and NebulaBy: Mackenzi Lee Series: Marvel Rebels & Renegades From New York Times bestselling author Mackenzi Lee, Gamora and Nebula: Sisters in Arms follows two Guardians of the Galaxy, Gamora and her sister Nebula, as they play a cat and mouse game with dangerous enemiesand each other. Gamora doesn't know who sent her to the planet Torndune. But as the reliable right hand daughter of Thanos and one of the galaxy's most legendary warriors, her job isnt to ask