The Exchange 7/2/09 IOWA (kuni) - Host Ben Kieffer talks with children's book author Laurel Snyder about her latest book "Any Which Wall," which revolves around a group of kids in small-town Iowa who find a magical wall in a cornfield. She's also the author of "Inside the Slidy Diner" and "Up and Down the Scratchy Mountains." © Copyright 2009, kuni