By Way of The Cross is as selection of writings on what the Cross means to a Christian. This book was complied by Warren Ojala as part of his ministry.
 
Here is a collection of Lutheran/Pietist writings,192pages, affordable paperback books:
The Heart of Man – J. E. Gossner
Meditations – Mikko Saarenpää
The Way of Faith – Matti Junttila
A Sacramental Sermon – John Arndt
The Necessary and Daily Cross and Suffering of True Christians – Nils Grubb
At the Gate of Heaven.