""The Call of the New Day to the Old Church"" is a book written by Charles Stelzle and published in 1915. The book is a call for the church to embrace the changing times and adapt to the needs of the modern world. Stelzle argues that the traditional ways of the church are no longer effective and that new methods must be employed to reach a new generation of believers. He advocates for a more progressive and inclusive approach to religion, one that...