Harry Potter and the Deathly Hallows
Plot
Harry and his friends Ron Weasley and Hermione Granger begin searching for Voldemort's four remaining Horcruxes. They learn that the locket Horcrux is in the possession of Dolores Umbridge at the Ministry of Magic. Harry and his friends infiltrate the Ministry and steal the locket from Umbridge, but are unable to destroy it. The locket's Dark magic affects Ron, who abandons Harry and Hermione. In Godric's Hollow, Harry and Hermione are attacked by Voldemort's snake Nagini), but manage to escape. One night, a Patronus guides Harry to a pond containing the Sword of Gryffindor. When he tries to recover it, the locket tightens around his neck, nearly drowning him. Ron returns and saves Harry, then destroys the Horcrux with the sword.
Plot
In the novel's epilogue, set nineteen years later, Harry and his friends see their children off to Hogwarts. Harry and Ginny, now married, have three children: James Sirius, Albus Severus, and Lily Luna. Ron and Hermione have a daughter named Rose and a son named Hugo.
Writing
!Rowling completed the final chapters of Deathly Hallows in Room 552 of the Balmoral Hotel.