Because of the Avada Kedavra Snape cast on him.
If you mean after Dumbledore's death, they talk briefly in the afterlife, in book 7.
Dumbledore does not survive all seven books. He is killed by Snape in the sixth book.
At the end of the sixth Harry Potter book; Harry Potter and the Half-Blood Prince
He dies in Harry Potter and the Half-Blood Prince (book 6). I don't mean to spoil it for anyone, but Severus Snape kills him because Draco Malfoy couldn't and that meant he would get the Elder Wand, not Dumbledore.
Dumbledore. According to the film leaks, Dobby also dies in HBP, although in the book series he died in DH.
Yes, Dumbledore is killed by Snape in Harry Potter and the Half-Blood Prince.
If you mean after Dumbledore's death, they talk briefly in the afterlife, in book 7.
Albus Percival Wulfric Brian Dumbledore dies in Harry Potter and the Half Blood Prince, the sixth book in the series, after being murdered by Professor Severus Snape on the highest Astronomy Tower.
Dumbledore does not survive all seven books. He is killed by Snape in the sixth book.
so they can tell you how and why dumbledore gets killed
At the end of the sixth Harry Potter book; Harry Potter and the Half-Blood Prince
June 1997 which is Harry's sixth year.
He dies in Harry Potter and the Half-Blood Prince (book 6). I don't mean to spoil it for anyone, but Severus Snape kills him because Draco Malfoy couldn't and that meant he would get the Elder Wand, not Dumbledore.
He died in the sixth one Harry Potter and the Half-Blood Prince.
warning spoiler if you haven't read the 7 book Snape is always a double agent he pretends to be working with lord voldemort as a spy to spy on dumbledore but in reality he is working with dumbledore to protect harry.
This is a very broad question, and not worded correctly. Severus Snape killed Albus Dumbledore in the end of the sixth book. Dumbledore had asked Snape to kill him, to save Draco Malfoy's soul because of the Unbreakable Vow that Narcissa Malfoy made Snape take in the beginning of the sixth book since Voldemort had ordered Draco to kill Dumbledore.
First Book: Professor Quirrel Second Book: No one ( unless you count the serpent) Third Book: No one Fourth Book: Barty Crouch Cedric Diggory Fifth Book: Siruis Black Sixth Book: Dumbledore Seventh Book: Hedwig Moody Dobby Griphook Fred Weasley Severus Snape Voldemort Beallatrix