The game starts out by telling his backstory , including history of his family , the death of his father and the theft of his family book , the Thievius Raccoonus .
Sly made his debut appearance in Sly Cooper and the Thievius Raccoonus .
The game starts out by telling Sly 's backstory , including history of his family , the death of his father and the theft of his family book , Thievius Raccoonus   Raccoonus .
Sly made his debut appearance in Sly Cooper and the Thievius Raccoonus .