The Council on Aging Book Group will discuss The Shack: Where Tragedy Confronts Eternityby William P. Young on Tuesday, April 17at 10:15 am at the Rochester Council on Aging, Dexter Lane, Rochester. Four years after his daughter is abducted and evidence of her murder is found in an abandoned shack, Mackenzie Allen Philips returns to the shack in response to a note claiming to be from God and has a life-changing experience