In Agatha Award and Macavity Award-winning author Maddie Day's fifth cozy Capers Book Club Mystery, it's mud season in Cape Cod, and when an ill wind blows in a murder with a twist in the tale, bicycle shop owner Mackenzie "Mac" Almeida and her crime-solving book group are ready to leaf through the clues . . . Everyone loves a festival, though Mac has a few concerns about the Spring equinox event organized by the new Chamber of Commerce director,...