Nothing, really.
The answers is 26 letters in the alphabet. If you did not know this you now know. :) :) :)
Harry Potter is a fictitious story, if that's what you mean.
You mean the guy who plays Harry Potter, it's Daniel Radcliff
26 Letters in the Alphabet
Letters, as in the alphabet.
The Latin alphabet varies in length, according to the language that uses it. If you mean the Latin version of the Latin Alphabet, it has 23 letters.
if you mean the actor that played Harry Potter in the movies then it was Daniel Radcliffe
28 letters of the alphabet
26 letters in the alphabet?
Do you mean reading Harry Potter? Well, it depends if you count reading as studying or not...
If you mean Selena Gomez, then no she has never been in the Harry Potter cast.
if you mean the 7th horcrux, well it was harry Potter hope this helps