Series
There are 3 books in the The Deed of Paksenarrion series.
Published between 1988 and 1989, in the same order they are meant to be read.
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.