Armada (The Guardian War Book 3). The Guardian War, #3

A desperate cry is heard through the galaxy, and Spartan and his forces answer the call. Spartan and his comrades have been licking their wounds for months. Thousand lie dead, and many more wounded following the apocalyptic battle with the treacherous legions of Horta and House Zaime. But when a signal from the scattered Houses is heard from the depths of the mysterious Nebula, Spartan knows he will be forced back into action.
Horta might have been defeated and chased into the shadows, but she has used her time well. Capitalising on an old prophecy she promises a rebirth of the ancient Trusskan Empire, and with her at its head. Worlds fall, and with millions killed or enslaved the survivors retreat to a fortified sanctuary where they await their fate. Will they die alone and forgotten, or will the Grand Alliance of Trusskans, Humans and Byotai lead by Spartan and his heroic comrades save the day?ARMADA is the third book in a brand-new series in the style of Starship Troopers, Aliens and Battlestar Galactica, and set in the bestselling Star Crusades universe.
A unique story that will take the reader to new worlds, and ancient foes never seen before.