What is harder than keeping birthday preparations a secret? The new hat and collar for Aunt Brown must match perfectly in color. As Aunt Green and Aunt Purple rush through the streets in brown dresses to gather gifts, the small town is in an uproar. And Uncle Blue, who wraps a sheet around himself at night like the ancient Greeks and practices his birthday poem in it, is mistaken for a ghost. Will Peter and Lotta have a truly successful celebration?.