Although their relationship would have many ups and downs, Hermione and Ron Weasley were good friends for most of their years at Hogwarts , and of course, were best friends with Harry Potter , who was usually a mediator in their disputes. New Potions professor Horace Slughorn invites Hermione to join his "Slug Club",  and she helps Ron retain his spot on the Gryffindor Quidditch team when she confunds Cormac McLaggen , causing him to miss his last save attempt during Keeper tryouts. Retrieved 16 October Before leaving the school, Hermione was able to Summon books about Horcruxes from Dumbledore's office, where the late headmaster had kept them after the subject had been banned at Hogwarts. After their run-in with Fluffy, Harry deduced that whatever Hagrid had retrieved from Gringotts was beneath the trapdoor. Hermione often fiercely defended Neville when others insulted him, and her friendship and support, as well as that of other D. In an effort to combat the lies being told about Harry, Hermione also arranged for an interview during a Hogsmeade visit with Rita Skeeter to be printed in The Quibbler telling his side of the story.