* "Holes" is dedicated to "My mother, my father, and my sister."
* "Sideways Stories from Wayside School" is dedicated to "My parents, my sister, my teachers, and my students."
* "The Boy Who Lost His Face" is dedicated to "My wife, my children, and all the children who read my books."
These are just a few examples, and he likely dedicated other books to his family as well. It seems like he frequently includes dedications to his family members in his works.