The Secret of Spiritual Power By Aaron Merritt Hills is a 13 chapter work on holiness, different Bible characters words, defining it, when rejected, some comments.
Bellett Pauls Apostleship Epistles is a 31 chapter survey of Paul’s writings, with some additional 17 chapters on related topics having to do with the life and ministry (apostleship) of Paul.
Definitions of Doctrine is a basic doctrines book in three volumes. Vol 1 has 26 chapters dealing with the doctrine of God. Vol. 2 has 27 chapters on Sin, Salvation, and Service. Volume three has 27 chapters on the Church.
Dagg’s Treatise on Church Order is a Doctrines book for church order, which includes typical issues in a local church, such as baptism, local vs universal church, infant membership, communion, washing of feel, worship, etc.
Charles Stanley (Brethren) presents us with an overview of the First Years of Christianity, which is a definition, What is the Church. He looks at first issues, like how Christianity begun, the first state of the Church, the Holy Spirit’s relationship with the church, etc.