Wonder is a contemporary children's novel written by R. J. Palacio and published on 14 February 2012. Wonder is in part inspired by an incident where the author's son started to cry after noticing a girl with a severe facial deformity. Inspiration was also pulled from Natalie Merchant's song of the same name. Several spin-offs have been published, including 365 Days of Wonder: Mr. Browne's Book of... Wikipedia