No, they have different plots.
# 1 on the New York times bestseller list for fiction is a series called Percy Jackson and the olympian. that series is awesome! its better than Harry Potter. hp is # 2 on the list. # 3 is pendragon and # 4 is twilight. READ THE PERCY JACKSON SERIES!
No, the next series does not even include Percy Jackson.
Harry Potter and the Deathly Hallows
Most likely every year at hogwart in harry there always always a new teacher in all harry potter except the first harry potter
Technically, yes they have finished making the Percy Jackson and the Olympians series. But the Heroes of Olympus series is out and includes Percy Jackson as well as a bunch of new characters. Percy Jackson lives on!
As Percy Jackson is still a fairly new series, it cannot be downloaded for free legally.
Unfortunately, there will not be a new Harry Potter book.
The lastest (and last) Harry Potter book is Harry Potter and the Deathly Hallows. It was published in 2007.
In April 2012
Percy lives in Manhattan, New York in a small apartment with his mom Sally Jackson
Percy Jackson is still a new series and cannot be read online yet.
There's no new Harry Potter book since 2007.