The characters are Gen (The KIng) and The Thief (The Thief bragged about how he's the best Thief around)
The setting of the story is it mostly took place in the prison and the king's castle.
The plot if the setting was when the thief had to go to prison because he keep bragging about how he was the best thief and the king used to him to help steal a impossible task.
The central Idea of the book is to catch the thief so the thief could help the king steal a magical stone.
The theme of the book is mostly focused on