The Otherworld Rebellion (War of Alien Aggression)

2187 - Lt. Martin Samhain, son of the last man to ever attempt rebellion on Earth, is drafted by Staas Company Intelligence and sent to Otherworld to find fugitive war hero turned rebel, Ram Devlin. Samhain's mission is to stop him before Earth's largest off-world settlement, penal colony, and source of military contractors erupts in civil war.
88,000 words, 275 pages
The Otherworld Rebellion is .99 on pre-sale until 01/01/16, 2.99 after that

$2.99 box set, books 1-5 The War of Alien Aggression (550 pages), the complete war with the Squidies from the first shot to the last.
$2.99 box set, books 6-8 The Liberty Fleet Trilogy (377 pages)
$2.99 The Otherworld Rebellion (275 pages)

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Books in the War of Alien Aggression series in chronological order:
Hardway (Book 1)
Kamikaze (Book 2)
Lancer (Book 3)
Dreadnought 2165 (Book 3.5)
Taipan (Book 4)
Combat Salvage 2165 (Book 4.5)
Cozen's War (Book 5)
2166 - Force Liberty (Book 6)
2166 - Battle of Shedir (Book 7)
2166 - Devlin's War (Book 8)
The Otherworld Rebellion