News Prolific author Roy MacGregor visiting Huntsville SHARE ON: Doug Crosse, staff Wednesday Aug. 7th, 2019 Author Roy MacGregor will be discussing his book on Canadian rivers called "Original Highways: Travelling the Great Rivers of Canada". (Provided Image - Huntsville Historical Society.) HUNTSVILLE, ON – The author of a book about Canada’s rivers is visiting Huntsville. Roy MacGregor, a prolific author on many topics, he has written a book called “Original Highways: Travelling the Great Rivers of Canada”. MacGregor will be discussing some of the tributaries he wrote about including some in Muskoka. His visit is a fundraiser for the Huntsville and Area Historical Society. It’s happening Thursday night at 7:00pm at Trinity United Church, 33 Main Street East. Tickets are $20 and can be purchased at Artisans on Main Street in Huntsville or from Tricia Markle at 705-789-7383.