Nicholas Olivo 's Books
Promise: Caulborn #2
Fractures
Courageous
Imperium (Caulborn)
Nightfall: Caulborn 5
Sync: Caulborn 1.5
Torment_Caulborn 6
Fractures: Caulborn 4
A very well recieved series by Nicholas Olivo are the books, featuring tropes. The most popular books are Promise: Caulborn #2, Fractures, Courageous, Imperium (Caulborn), Nightfall: Caulborn 5, Sync: Caulborn 1.5, Torment_Caulborn 6, Fractures: Caulborn 4, which was published in 2022.