Invincible, Part Two
Commander Gomez must face her greatest fear – alone!

Invincible, Part Two is a Pocket SCE eBook novella – #8 in the series, and the second part of a two-part story – written by Dayton Ward and Kevin Dilmore. Published by Pocket Books, it was first released in . The novella was later collected in the SCE omnibus Miracle Workers.

Summary 
From the book jacket
Long believed to be just a Nalori myth, the monster shii has turned out to be devastatingly real! The creature – seemingly invulnerable, undeniably powerful, and completely ruthless – has carved a swath through the Nalori construction project on the crystal planet of Sarindar. The project's supervisor, Commander Sonya Gomez, must find a way to stop this deadly creature before it claims the lives of the entire project.

But when the truth behind this creature is revealed, Gomez realizes that even the S.C.E.'s top officer may not be able to solve every problem…

The exciting conclusion to the gripping all-new two-part adventure!

External link 
 

Invincible, Part 2