Sider, E. Morris. Fire in the Mountains: The Story of a Revival Movement in Central Pennsylvania. The Brethren in Christ Historical Society and Roxbury Holiness Camp, 2010.
143 pp., illustrated from photographs, former owner's name inside front, otherwise "as new." Very good. Paperback. 
An account of the revival movement in Altoona, Pa. and vicinity, during the 1930's among the Brethren in Christ. This was also the beginning of the camp meeting practice amongst that group.