The Crimson War. The Shadow Order, #3

The Shadow Order have completed their first mission. But now Seb has seen how the Crimson Countess oppresses the beings living there, he can't walk away. Driven by his goal to overthrow the Countess' regime, Seb has to amass an army capable of taking down the Crimson foot soldiers. An army built on slum dwellers, who have spent their entire lives yielding to their oppressors. Victory will make Solsans a better place to live.
However, if they lose, the Countess will undoubtedly make the people pay. Failure isn't an option. The Crimson War (Book Three of The Shadow Order) is a fast-paced space opera adventure.