In my opinion, they're great. They capture the essence of the original books well and the art style is appealing. They add a new dimension to the story and are a fun read.
Another good one from the list is 'Sea of Monsters: The Graphic Novel'. It follows Percy and his friends on their new adventures, and the graphic format makes the action scenes really exciting.
The 'Battle of the Labyrinth: The Graphic Novel' is quite popular too. It has a complex and exciting plot. The graphic novel does a great job of showing the labyrinth and all the challenges within it. The illustrations help to make the various mythological elements and the fight scenes more intense and interesting for the readers.
One of the main themes is heroism. Percy has to face numerous challenges and overcome them, showing what it means to be a hero. Another theme is friendship, as Percy and his friends rely on each other throughout their adventures. Also, there's the theme of identity, with Percy trying to figure out his place as a demigod in the world of the Olympians.
Percy Jackson is the main character. He's a demigod with special powers. Annabeth Chase is another important character. She's smart and helps Percy a lot. Grover is also a main character. He's a satyr and Percy's friend.
It's about the adventures of Percy Jackson. He's a demigod, half - human and half - god. In the graphic novel, you can see his journey as he discovers his powers, battles monsters, and tries to save the world. It's full of action and mythological elements.
Percy would probably be a bit of a wild card to the Order of the Phoenix members. He's used to a different kind of magic and a different set of rules. Harry might be initially suspicious of Percy but also intrigued by his powers. They could start off with a bit of a rivalry as they both try to prove themselves in different ways.