In R. J. Palacio’s young-adult novel Wonder, which condition caused August Pullman’s facial differences?

In R. J. Palacio’s young-adult novel Wonder, August Pullman’s facial differences are caused by Treacher Collins syndrome.

Treacher Collins syndrome is a genetic condition affecting the development of facial bones and tissues. In the novel, August has undergone many surgeries before entering school, but his appearance still attracts unwanted attention from classmates and strangers.

Wonder follows August as he begins fifth grade at Beecher Prep. The narrative changes viewpoint among several characters, allowing readers to see how August’s family, friends, and classmates respond to his experiences. Its central themes include empathy, friendship, bullying, and choosing kindness.

The novel was published in 2012. Palacio has explained that the idea developed after an encounter involving a child with a facial difference. The 2017 film adaptation features Jacob Tremblay as August and Julia Roberts as his mother.