The narrator of this wild, highly inventive tale is the orphan Dervla O'Shannon, dubbed "Thistle" because she is "skinny and prickly and unwanted". Reared at Saint Martha's Home for Foundling Girls until the age of puberty, her world is circumscribed by scrubbing floors, washing up the kitchen, and competing with thirty others for the attention of the Foundling Mother. Forced to pay entertainment calls on some of Ireland's national heroes sequestered...