What is Hermione's favourite subject? How did she make friends with Ron and Harry, and what does a mountain troll smell like? Find out all this and much more about Hermione Granger! Follow her through a day at Hogwarts, discover why she loves the library and learn all about her pet cat, Crookshanks. Get set for spectacular spells, charms and potions, and lots of Gryffindor house points...