Read the excerpt from Holes. Everyone in his family had always liked the fact that "Stanley Yelnats" was spelled the same frontward and backward. So they kept naming their sons Stanley. Stanley was an only child, as was every other Stanley Yelnats before him. All of them had something else in common. Despite their awful luck, they always remained hopeful. As Stanley's father liked to say, "I learn from failure." How does the author reveal details about Stanley’s family in this excerpt?