Series
There are 4 books in the Skyward series.
Spensa dreams of becoming a pilot like her disgraced father on a besieged colony where humanity's last survivors fight alien invaders daily. Sanderson's disciplined world-building and breakneck aerial combat, grounded in a protagonist who refuses to accept the role she has been assigned.
All 6 books total 2,255 pages.
The Books Oracle — track the series you are partway through, and see what to read next.