Iggy Peck, ArchitectSome kids sculpt sand castles. Some make mud pies. Some construct great block towers. But none are better at building than Iggy Peck, who once erected a life size replica of the Great Sphinx on his front lawn! Its too bad that few people appreciate Iggys talentcertainly not his second grade teacher, Miss Lila Greer. It looks as if Iggy will have to trade in his T square for a box of crayons . . . until a fateful field trip proves just how useful a