In this thrilling, action-packed fourth installment in the Planetside series from acclaimed science fiction author Michael Mammay, retired Colonel Carl Butler gears up for another military investigation,...

Lieutenant Kiera Markov is a scout platoon leader for a peacekeeping force on the remote planet of Tanara, where little has happened for decades, and the only mission is to keep the lithium flowing up...

A missing scientist and deep pockets pull Colonel Carl Butler out of retirement, investigating another mystery that puts him and his team--and the future of relations with alien species--in danger in COLONYSIDE,...

“Planetside is a smart and fast-paced blend of mystery and boots-in-the-dirt military SF that reads like a high-speed collision between Courage Under Fire and Heart of Darkness.” – Marko Kloos, bestselling...

In this riveting, stand-alone novel from Michael Mammay, author of Planetside, the beginning of a new human colony must face tyrannical leaders, revolution, crippling instability, and an unknown alien...

Ocean’s Eleven meets John Scalzi in this funny, action-filled, stand-alone sci-fi adventure from the author of Planetside, in which a small team of misfit soldiers takes on a mission that could change...

From the author of Planetside, a Best Book of 2018 (Library Journal) A military legend is caught in the web between alien intrigue and human subterfuge…Following his mission on Cappa, Colonel Carl Butler...