No, it was always planned as a seven book series - one for each year of school.
Harry Potter, being a collection of seven works, is a heptalogy. A trilogy is a collection of three works
There are more than three books in the Harry Potter series so it is not a trilogy.
Harry Potter isn't a trilogy, there are seven books not three. You can find a list of the deaths in the series in related questions.
What trilogy, pray tell. Regarding the awards, consult imdb.com
Harry Potter has written: 'In thy heart's garden'
In my opinion, there is no book in existence that is better than Harry Potter. But I do like the hunger games trilogy and the Percy Jackson series.
In the beginning of The Seventh Harry Potter Book, when The Death Eaters and Voldemort are chasing Harry.
The chronological order of the Harry Potter books written by J.K. Rowling is as follows: Harry Potter and the Sorcerer's Stone Harry Potter and the Chamber of Secrets Harry Potter and the Prisoner of Azkaban Harry Potter and the Goblet of Fire Harry Potter and the Order of the Phoenix Harry Potter and the Half-Blood Prince Harry Potter and the Deathly Hallows
Harry Potter has never written a book.
Harry Potter was written by JK Rowling.
Francesca Barbolini has written: 'Effetto Harry Potter' -- subject(s): Harry Potter, Characters, Harry Potter (Fictitious character)
Fantastic Beasts and Where to Find Them is the title of an upcoming movie trilogy that is a spin-off of the Harry Potter series.