The Nonfiction Book Group will discuss "The Spirit Catches You and You Fall Down: A Hmong Child, Her American Doctors, and the Collision of Two Cultures" by Anne Fadiman on June 20 at 6:30 p.m. A study in the collision between Western medicine and the beliefs of a traditional culture focuses on a hospitalized child of Laotian immigrants, members of the Hmong tribe, whose belief that illness is a spiritual matter came into conflict with doctors' methods.