Sandra Dallas’s novel “Buster Midnight’s Cafe” is a gentle read that absorbs the topic of surviving friendships throughout multiple decades. It centers on the life of Hollywood star May Anna Kovacks and her two closest friends Effa Commander and Whippy Bird and is set in Butte Montana in the 1930s. A tale is woven by scandal, betrayal, and murder; only Effa and Whippy Bird can dispel it.