Liffey Rivers and the Mystery of the Winking Judge

There is more intrigue at the National Portrait Gallery in London than 13-year-old Irish dancer Liffey Rivers could have ever imagined! How will she tell the smug-looking security guard in the museum that she has discovered there is something WRONG with the Coronation Portrait of Queen Elizabeth I hanging in the Tudor Gallery? And how can she even pretend she is ready to dance next week at an Irish dance competition (feis) in County Sligo, Ireland? And WHY is the judge at the Beltra Feis winking at everyone? Irish dance adjudicators are forbidden to interact with dancers even after the competitions are over. Liffey is certain she has seen those fish-like, dead eyes before...