One Piece is about a young man named Luffy, who one day decides to go become a pirate because of a man named Shanks. Years later his dream comes true, but there's something strange about Luffy, he has a power, not just any power. He has the power of the Gum-Gum fruit, which enables him to stretch and expand with capabilities much like rubber. In this fact, he can deflect bullets, as in the time period they are balls of lead instead of pointed cylinders, which means it will not puncture him. He adventures into the Grand-Line after gathering a crew and a fairly reputable name. He then explores the various sections of the Grand-Line.
One Piece is a fairly reputable manga, with over a million subscribers to the manga, and over tens of millions of copies of each volume sold, and has great characteristics of realism with its various ideas, such as the crazy idea of an island in the sky, but included with facts that would make it seem possible. This shows that Oda is well-educated in everything that happens in One Piece, which contributes greatly to the content of the book.
Overall it earns a 4.9 out of 5.