Yellow Eyes
The Posleen are coming and the models all say the same thing: Without the Panama Canal, the US is doomed to starvation and defeat. Despite being overstretched preparing to defend the US, the military sends everything it has left: A handful of advanced Armored Combat Suits, rejuvenated veterans from the many decades that Panama was a virtual colony and three antiquated warships. Other than that, the Panamanians are on their own.
Replete with detailed imagery of the landscape, characters and politics that have made the jungle-infested peninsula a Shangri-La for so many over the years, Yellow Eyes is a hard-hitting look at facing a swarming alien horde with not much more than wits and guts. Fortunately for the human race, the Panamanians, and the many veterans that think of it as a second home, have plenty of both.
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John Ringo
John Ringo writes science fiction that assumes the future will not be polite. His stories tend to open at the moment when preparation either pays off or fails spectacularly, and from there he follows soldiers, engineers, parents, and reluctant leaders as they try to keep civilization upright under extreme pressure. Best known for military science fiction that treats logistics and strategy as seriously as firepower, his work attracts readers who want action grounded in hard choices and believable consequences.
Posleen War Series / The Legacy of the Aldenata
Posleen War Series / The Legacy of the Aldenata consists of twelve books. The current recommended reading order for the series is provided below.

