List of Illustrations[ Robin of Castle Frank . . . . . . . . . . . . . . . Frontispiece ][ "How many walnuts are 2 and 4 and 6?" ][ Fascinated ][ Crafticus: "I have a cunning plan." ][ King Muffler: "It is no new thing," remarked the king, "for crafty creatures to get the simple to begin a foolish quarrel." ]