Wm. B. Eerdmans Publishing Co. is to close its Eerdmans Bookstore in Grand Rapids, Michigan, by the end of the year. The move, affecting two staff members, will not impact other operations of the 106-year-old company, said a spokesman. Starting as a shelf of used books in a back room, the bookstore “has been a fixture in the theological book world for the better part of a century,” the company said in its announcement of the closure.