Books on Systematic theology, part 1
(Books freely readable online, that I recommend students at Öfverby monastery school to read:)
Jürgen Moltmann
Moltmann, Jürgen: Theology of hope; on the ground and the implications of a Christian eschatology, 1967
The Spirit of life : a universal affirmation, by Moltmann, Jürgen, 1992
The power of the powerless, by Moltmann, Jürgen, Publication date 1983
The way of Jesus Christ : christology in messianic dimensions, by Moltmann, Jürgen, Publication date 1990
Jurgen Moltmann, The Crucified God, 1974
The gospel of liberation, by Moltmann, Jürgen, Publication date 1973