 Eshbach was a church publisher from 1958 to 1962, then he was a salesman for the Moody Bible Institute until retirement in 1975.Upon his retirement, he became a pastor in the Evangelical Congregational Church and served churches of that denomination in Pennsylvania in Lancaster County, Reading, and Womelsdorf.Eshbach was a lifelong science fiction fan, and besides creating Fantasy Press he was instrumental in assisting others in the creation and operation of their own fan or specialty presses, including William Crawford of Fantasy Publishing and later F.P.C.I.