Great Falls author Mike High will discuss his book about Great Falls, the Potomac River and the Chesapeake & Ohio Canal on Saturday, June 8 at 11 a.m. at historic Smith Chapel, 11321 Beach Mill Road. An avid biker, High will outline highlights from The C&O Canal Companion, a guide to the history of the region along the 185 mile canal, including local experience of slavery and emancipation, impact of the railroads and industrialization, as well as his recommendations for recreational uses. The public is invited, including children; light refreshments will be served. The program is free, but pre-registration is suggested, as seating is limited. To register, go to http://www.smithchapelumc.com.