Series
There are 3 books in the The Deed of Paksenarrion series.
Paksenarrion joins the army and begins an adventure that will transform her into a hero remembered in songs. Escaping her father's plans for an arranged marriage, she embarks on a military career that will test her courage, faith, and very soul as she is chosen to restore a lost ruler to his throne.
All 3 books total 1,546 pages.
The Books Oracle — track the series you are partway through, and see what to read next.