In addition to the requisite 3 sons, the king and queen have 1 butler, 2 footmen, 3 maids, 4 horses, 5 grooms, 6 dogs, 7 gardeners, 8 chimney sweeps, 9 cooks, and 10 soldiers. Not to mention the 10 golden peas that the queen slips under a stack of mattresses to test possible princesses when they come to stay the night. The two younger princes happily marry not-quite-royal maidens, but what will happen when Prince Primo brings the lovely Geometria home to the castle? Neither the mathematical elements grafted onto the story nor the feature on the last page (TEST YOUR COUNTING SKILLS! . . . How many servants live in the castle?) add much of real value to the traditional tale, The Princess and the Pea. But the playful tone of both the vivid telling and the vivacious illustrations makes this picture book such a buoyant version of the story that not even the weight of all those extras can sink it. Copyright 2008 Booklist Reviews.