The Un-Nimble Thimble Author:Roberta Updegraff Roberta Updegraff's nimble writing style is hard to resist, so please welcome her to the "Church Choir Mysteries" family. Roberta is a substitute teacher at Williamsport High School in Pennsylvania, instructing everything from drama to auto mechanics to orchestra! She also teaches Sunday school and is a youth leader. Roberta and her husband M... more »ark, who live in Linden, Pennsylvania, are the parents of three grown children.« less