Megan E. O'Keefe

"She's a revolutionary. Humanity is running out of options. Habitable planets are being destroyed as quickly as they're found, and Naira Sharp thinks she knows the reason why. The all-powerful Mercator family has been controlling the exploration of the universe for decades, and exploiting any materials they find along the way under the guise of helping humanity's expansion. But Naira knows the truth, and she plans to bring the whole family down from...

"Naira and Tarquin have found a new home on Seventh Cradle. But the peace they've built is short-lived as mysterious assailants ambush the settlement and Naira is haunted by visions of a monstrous future. Catastrophe strikes when Tarquin uncovers a plot to bring about the end of the universe. As humanity races against the clock to prevent their extinction, old secrets come to light and loyalties fracture, and Naira realizes she may be the key to saving...

"The code has been cracked. The secrets of the Casimir gates have been revealed. But humanity still isn't safe. The alien intelligence known as Rainier and her clones are still out there, hell-bent on its destruction. And only Sanda can stop them. With the universe's most powerful ship under her command and some of the most skilled hackers, fighters, and spies on her team, it will still take everything she has to find the key to taking down an immortal...

Murder and mayhem derail a con-man’s carefully laid schemes in this swashbuckling debut that blends elements of Firefly and steampunk
 
Detan Honding, a wanted conman of noble birth and ignoble tongue, has found himself in the oasis city of Aransa. He and his trusted companion, Tibs, may have pulled off one too many cons against the city’s elite and need to make a quick escape. They set their sights on...

Detan Honding is determined to survive this war, even when caught between not one but two besieging armies! After rescuing the renowned engineer Nouli from the clutches of the empire, the valiant rogue has returned to his aunt's city to find it under siege by Thratia's army. With Nouli's help, they manage to turn back the tide, at least until imperial forces descend, prepared to hammer the Thratian force against the anvil of the city's walls. Worse...