Roxann Dawson & Daniel Graham 
Entering Tenebrea [EPUB ebook] 

One piercing energy beam is enough to shatter the calm of a seaport on a sunny day. Just one shot turns an idle dreamer into a hardened avenger. Enraged by the brutal terrorist attack that kills her entire family, Andrea Flores leaves behind a world she loves. Abandoning Earth forever to even the score, Andrea finds herself an outcast on the harsh planet Jod, where she fights to join an elite unit, the powerful and mysterious Tenebrea. With the universe on the brink of destruction, Andrea must survive against all odds until the day she can face her family’s killers and taste the revenge for which she lives.