The National Park Service at Sleeping Bear Dunes National Lakeshore (National Lakeshore) is pleased to announce a special book signing with author, Karen Trolenberg, and illustrator, Christopher Smith for their book “Flight of Megizzewas”. The event will take place on Friday, July 22, 2016 from 11:00 a.m. to 1:00 p.m. at the Philip A. Hart Visitor Center in Empire, MI.