Ambush of Mafalda Hopkirk and Reg Cattermole

PAGES: 236-239

Disguised under the Invisibility Cloak, Hermione Stuns Mafalda Hopkirk, and Ron steals her Ministry tokens. They force the hair from the real Mafalda to use for Polyjuice Potion. Later, they ambush a small wizard named Reg Cattermole and take his hair as well, preparing for their infiltration of the Ministry.