Recently, The Hunger Games and Divergent have emerged as popular fiction, both in movies and on bookshelves around the world. Another recent trilogy in the genre, Ashfall, is set in Cedar Falls during and after a Yellowstone Supervolcano. Ashfall author Mike Mullin will be sharing his insights with Honors English students at Waukon Junior and Senior High Schools this Friday morning, April 4. Friday night, Mullin will be headlining an event open to the public at Dragonfly Books in Decorah from 6:30 to 8:30 p.m.