The Beaverdale Betterment Coalition, a business alliance for the northwest Des Moines neighborhood, is starting a monthly showcase of the neighborhood's small businesses. The event, which takes place from 5 to 8 p.m. on the last Thursday of the month, begins May 29 and will continue through October. The May event features a 40-year anniversary party for Back Country Outfitters, a book signing with a Des Moines author at Beaverdale Books, a martini special at Chef's Kitchen and other events at Beaverdale businesses.