WHEN KATIE'S TEACHER MOVES IN NEXT-DOOR, KATIE CAN'T BELIEVE HER BAD LUCK! NOTHING COULD BE WORSE THAN YOUR OWN TEACHER LIVING NEXT-DOOR-OR COULD IT? MRS. DERKMAN HATES DOGS, AND SHE WANTS THE DOGS ON THEIR STREET TO BE KEPT ON LEASHES AT ALL TIMES! KATIE IS FURIOUS. THEN...