The Mini Moas — Natasha Hanson

Eight-year-old adventure seeker Pete is convinced something mysterious is hidden in the school staff room. His ten-year-old sister, Trudy, who is much more practical, is not. But when adventure does appear in Mini Moa form, can the siblings work together to outsmart a fake substitute caretaker, or will she succeed in destroying their new friends' home and the school in one noisy go?