Chapter 15: A Change of Fortune
Chapter 16: What Lies Below
Chapter 17: A Strange City
TEXT LOG 1
When you start the chapter, start up the generator and then go through the door. As soon as you go through, there will be a chalkboard on the right with the text log on it.
TEXT LOG 2
(Optional Mission: Artifact Storage) When you enter the elevator and go down to the artifact storage area, go to the first door and this log will be on the stairs in front of the door.
TEXT LOG 3
(Optional Mission: Artifact Storage) When you enter the gravity free zone, drop down to the third catwalk and you’ll find this floating along it.
TEXT LOG 4
(Optional Mission: Artifact Storage) When you reach the second anti-gravity room, drop down to the bottom catwalk and the text log will be in the center of it along the railing.
Chapter 18: Kill or Be Killed
TEXT LOG 1
When you first start the chapter, head to the right along the metal platforms after going up the ramp. A couple enemies will pop out but after they are down, the log will be directly ahead on a shelf against the wall.