The space saga by the Aurealis Award winner continues: "A great character . . . Readers will root for her and have fun following along on her adventures." —Booklist Mars Xi is a living weapon, a genetically manipulated psychic supersoldier with a body count in the thousands, and all she wanted was to be left alone. People who get involved with her get hurt, whether by MEPHISTO, by her psychic backlash, or by her acid tongue. It's not smart to get involved with Mars, but that doesn't stop some people from trying. The last time MEPHISTO came for Mars they took one of her friends with them. That was a mistake. A force hasn't been invented that can stop a voidwitch on a rampage, and Mars won't rest until she's settled her debts . . . Corey J. White's acclaimed space opera Voidwitch series continues as Mars Xi returns in Void Black Shadow, sequel to Killing Gravity. Praise for Killing Gravity "Feels like a blockbuster, full of imaginative worldbuilding and fight sequences." —Publishers Weekly "Rip-roaring . . . Fans of Firefly will love Killing Gravity." —Will McIntosh, Hugo Award–winning author of Love Minus Eighty