If you like your heroines pluck-filled and resourceful, it’s easy to enjoy just about all of L.M. Montgomery’s protagonists. Her most famous character, Anne Shirley, is charming and creative, at least until Anne’s six mediocre children hijack her personality and presumably bury it under some moon-kissed elfin rock in Rainbow Valley, where it remains for the rest of the series. Emily Byrd Starr writes with too many italics, has bursts of psychic power, and defends…