Holes; Zero; Study Guide. Zero in Holes. By Louis Sachar. Zero. According to most of the characters in the book, Zero is a big fat zero. Okay, maybe that's obvious, but it's also a key part of the story, so we'll take a look. Nobody to Anybody. Everyone in Holes seems to be convinced that Zero is a real nothing of a kid. Mr. Pendanski, in particular, mocks and belittles Zero at every turn.