Gustavus Library Associates offer a double delight with the celebrated Erdrich sisters at the Spring Author Day brunch on Tuesday, April 5, 9:30 a.m. at the Edina Country Club. The engaging sisters will share the podium to talk about books, writing, storytelling, and art. The cost is $25 and you can make reservations online at gustavustickets.com or call the Office of Marketing and Communication at 507-933-7550. RSVP by Wednesday, March 30, and invite a friend or two for a delightful Author Day morning event.