As in any novel dealing with specific contemporary issues, the theme is overt, but the author avoids being didactic by not creating any stereotypes.

Dr. Caraman is probably the closest to one, being the charismatic leader, but even he had enough personality to avoid being merely a one-dimensional preacher. The Preger family, Joe, Cynthia, and Bess, the neighbors who first befriend Roxie, Frank, and Marian are ordinary, likable people, and as the story progresses, the reader is given a glimpse at their reason for searching for a safer life through religion. Even Jarrell, the impatient, restless rebel who tries to break out of the confines of his strict upbringing, reveals the reason for his anger.

Roxie is the most complex character.

She seems to see both sides of the religious issue and hesitates to commit herself fully to the teachings of Stafford Hill. The plot gradually...