Long Live the King! by Mary Roberts Rinehart, Fiction 12+

📖 The Crown Prince sat in the royal box and swung his legs. This was hardly princely, but the royal legs did not quite reach the floor from the high crimson-velvet seat of his chair. Prince Ferdinand William Otto was bored. His royal robes, consisting of a pair of blue serge trousers, a short Eton jacket, and a stiff, rolling collar of white linen, irked him.