Invincible, Part One
A ruthless predator threatens Commander Gomez!

Invincible, Part One is a Pocket SCE eBook novella – #7 in the series, and the first 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
The S.C.E.'s top officer, Commander Sonya Gomez, is assigned to supervise a project on the crystal planet of Sarindar – helping the reclusive and hostile Nalori harness a valuable new ore. Morale is low and the project is behind schedule. Gomez must get the workers up to speed and on track – a task made more difficult by the Nalori workers who do not want her there, even if their government does.

Just when Gomez begins to gain their trust, two workers are killed by a mysterious local animal called a shii. Gomez must learn the secret of the shii before it kills again…

The first in a gripping all-new two-part adventure!

External link 
 

Invincible, Part 1