Harry Potter is a series of seven fantasy novels written by British
author J. K. Rowling. The novels chronicle the lives of a young wizard,
Harry Potter, and his friends Hermione Granger and Ron Weasley, all of
whom are students at Hogwarts School of Witchcraft and Wizardry. The
main story arc concerns Harry's struggle against Lord Voldemort, a dark
wizard who intends to become immortal, overthrow the wizard governing
body known as the Ministry of Magic and subjugate all wizards and
Muggles (non-magical people). Harry Potter and the Philosopher's Stone,
opens, it is apparent that some significant event has taken place in the
wizarding world – an event so very remarkable that even Muggles
(non-magical people) notice signs of it.